What is Islam?
Islam is a monotheistic religion that began in 7th century Arabia through the preaching of Muhammad, whom Muslims regard as God's final prophet. Muslims believe in one God, angels, prophets, divine revelation, a final resurrection and judgment, and eternal life, but reject the Christian doctrines of the Trinity and the deity of Jesus. Islam teaches that Jesus was a prophet, but not God incarnate or the Son of God.
For the Christian talking to a Muslim, the deeper question to generally ask is "Who is Jesus really - a human prophet sent by God, or God the Son who became man, died for our sins and rose again?"
Key facts
- Founder
- Origins
- Major Texts
- Practices
- Salvation
- Jihad
- Primary Locations
- Population
Muhammad is regarded by Muslims as the final prophet. His authority is foundational to Islamic belief because accepting his prophetic status is part of the Shahada.
Islam arose in western Arabia in the 7th century through Muhammad, who Muslims believe began receiving revelations from God around circa 610 AD. Muhammad preached initially in Mecca and later established a Muslim community at Medina. Following his death in 632 AD, Islam expanded rapidly throughout Arabia and subsequently across the Middle East, North Africa, Persia and beyond.
Muslims do not generally understand Islam as a new religion. Rather, they believe that Muhammad restored the original monotheistic faith (preached by earlier prophets such as Adam, Noah, Abraham, Moses and Jesus) and hence it supercedes Judaism and Christianity.
The two largest branches of Islam are Sunni and Shia. Their division originated primarily in disagreement over legitimate leadership following Muhammad's death and subsequently developed into substantial theological and legal differences.
The Quran is the central and highest authority of Islam. Muslims believe it is the revealed word of God given to Muhammad.
The Quran is supplemented by the Sunnah, the example and teaching of Muhammad, which is preserved primarily through collections of Hadith.
The Quran acknowledges previous revelations, including the Torah and the Gospel. However, mainstream Islam does not accept the New Testament as Christians do. Muslims generally hold that the original revelations given to earlier prophets were genuine but that their transmission or interpretation was subsequently corrupted or misunderstood. No such uncorrupted alternative text has ever been produced to support this claim. It is worth asking: if the earlier texts were corrupted, where is the uncorrupted version?
Supported by historical and manuscript evidence, archaeological teams routinely rely on the New Testament as a geographical and historical reference for uncovering ancient sites and artifacts. It also contains eye witness and apostolic testimony concerning Jesus - His identity, crucifixion and resurrection etc. Islam, emerging approximately six centuries later, gives a substantially different account of Jesus with no evidence to back it up, and places final authority in Muhammad's revelation.
The basic framework of Islamic religious practice is commonly summarised by the Five Pillars:
- Shahada - confession that there is no god but God and that Muhammad is God's messenger.
- Salat - ritual prayer, traditionally performed five times each day.
- Zakat - obligatory charitable giving.
- Sawm - fasting during the month of Ramadan.
- Hajj - pilgrimage to Mecca at least once in a lifetime for those physically and financially able.
Muslim religious life also includes Quran recitation, mosque worship, personal prayer, fasting, charitable giving, dietary restrictions and moral regulations.
Islam has no priesthood corresponding to the Christian sacramental priesthood. Imams and Islamic scholars have important religious roles, but they do not function as priests who offer Christ's sacrifice or mediate God's grace through Christian sacraments.
Islamic law, commonly referred to as Sharia, encompasses religious, moral and legal principles derived from the Quran, Sunnah and Islamic jurisprudence. Its interpretation and implementation vary substantially between Muslim communities and countries.
Salvation in Islam is conditional on a person's good deeds outweighing their bad deeds on judgment day, balanced against the mercy of Allah. Because no one knows if their good deeds are sufficient, absolute assurance is impossible.
Muslims (and even Muhammad himself according to Islamic texts) do not possess a definitive guarantee of entering paradise. Muhammad states he does not know what will happen to him or his followers (Quran 46:9, Sahih al-Bukhari (Volume 5, Book 58, Hadith 266)).
...On that the Prophet said, 'How do you know that Allah has honored him?' I replied, 'I do not know...' The Prophet said, 'As for him, by Allah, death has come to him and I wish him all good from Allah. By Allah, though I am the Apostle of Allah, yet I do not know what Allah will do with me.'" - Sahih al-Bukhari 1243 / 2687
The ultimate unforgivable sin in Islam is shirk (associating anyone equal to Allah). This is the
reason Muslims reject things like Jesus being the Son of God or Lord, which Islam views as a
direct path to hell.
The term jihad means "struggle" and considered to be external (physical) and internal (spiritual). The enemies of Islam i.e., those that oppose the Shahada may be slain wherever you find them (Surah 9:5, Surah 47:4); and paradise awaits those who dies fighting the cause of Islam (Surah 3:195, Surah 2:224).
Moderate Muslims emphasize the spiritual dimension of jihad and not its political element, but the text in the Quran is self explanatory.
Islam originated in Arabia. Mecca and Medina are its two most important holy cities, while Jerusalem is also a major Islamic holy site.
Islam is not simply a Middle Eastern religion. From its inception, Islam expanded rapidly across the Middle East, North Africa, and as far as India within a single century, frequently driven by military conquest. Also see a brief on the miltary campaigns Muhammad took part in.
Large Muslim populations are found throughout South Asia, Southeast Asia, Africa and the Middle East today. Some of the world's largest Muslim populations are found in countries such as Indonesia, Pakistan, India, Bangladesh and Nigeria.
Islam is the world's second-largest religion after Christianity. The Pew Research Center estimated that there were approximately 2 billion Muslims worldwide in 2020, representing roughly 26% of the world's population.
The overwhelming majority of Muslims are Sunni, with Shia Muslims constituting the largest minority. There are substantial differences in theology, jurisprudence and religious practice within both Sunni and Shia Islam, so "Muslim" should not be treated as describing a completely uniform belief system.
Overview
History
Islam is a monotheistic Abrahamic religion that arose in seventh-century Arabia through the preaching of Muhammad (c. 570–632 AD), whom Muslims regard as God's final prophet. According to Islamic tradition, Muhammad began receiving revelations from God around 610 AD. These revelations were eventually collected into the Quran, Islam's central and authoritative scripture.
Islam developed in a religious environment that included Arabian polytheism, Judaism and Christianity. Muhammad preached the worship of one God, calling people to abandon idolatry and submit themselves to God. The early Muslim community was established in Mecca and later grew significantly after Muhammad's migration to Medina in AD 622, an event known as the Hijra that marks the beginning of the Islamic calendar.
After Muhammad's death, Islam spread rapidly throughout the Middle East and beyond. Muslim communities and political states developed across the Middle East, North Africa, Persia, Central Asia and eventually parts of Europe and South and Southeast Asia. Over subsequent centuries, Islamic scholars developed extensive traditions of theology, law, philosophy and Quranic interpretation.
Islam is not a single uniform tradition. The two largest branches are Sunni and Shia Islam, which
developed partly from disagreements over leadership of the Muslim community following Muhammad's
death. Within these broad traditions there are also significant differences in theology, legal
interpretation, worship and cultural practice.
Beliefs
Islam is fundamentally monotheistic, teaching that there is one God, known in Arabic as Allah. A
central Islamic doctrine is tawhid - the absolute oneness and uniqueness of God. God is understood
as the creator, sustainer and judge of all creation and as perfectly powerful, wise and merciful.
Muslims believe that God has revealed his will through a succession of prophets and messengers. These include figures also found in the Bible, such as Adam, Noah, Abraham, Moses, David and Jesus (Isa). Muslims regard Muhammad as the final prophet, and the Quran as God's final and authoritative revelation. Submission to Allah means obedience to all of Muhammad's decisions i.e., all of the Hadith as well as the Quran.
Islamic religious practice is commonly summarised through the Five Pillars:
- Shahada - Confessing that there is no god but God and that Muhammad is God's messenger. It must be held till death, and repudiation nullifies any hope of salvation.
- Salah - Performing the five daily prayers facing Mecca, preceded by ceremonial washing.
- Zakat - Giving prescribed charitable contributions to the poor to purify remaining wealth.
- Sawm - Fasting during the lunar month of Ramadan - to remember the Quran being given to Muhammad. Feasting is permitted when the sun is down.
- Hajj - Making the pilgrimage to Mecca at least once if physically and financially able. Part of this is a walk around the Kabbah (shrine of the black rock) seven times.
Islam places strong emphasis on submission to God, obedience, prayer, charity, repentance and righteous conduct. The Quran and the Sunnah - the traditions concerning Muhammad's words and example provide the primary foundations for Islamic belief and practice, while Islamic scholars have developed systems of law and interpretation from these sources.
Jesus (Isa) occupies an important place in Islam. Muslims believe that Jesus was born miraculously to Mary (Maryam), was the Messiah, performed miracles by God's permission and was a major prophet and messenger. However, Islam does not regard Jesus as divine or as the Son of God.
Muslims believe that human beings will ultimately be resurrected and judged by God. Salvation is associated with faith in God, obedience and righteous deeds in accordance with the Five Pillars, while God's mercy remains essential. Islamic understandings of judgment, salvation and the afterlife vary in detail between traditions and schools of thought.
What attracts people to Islam?
Islam offers a clear vision of life centred on one God, submission, worship, moral responsibility and community. It provides a comprehensive framework intended to shape not only private belief but also daily habits, family life, ethics, charity and community relationships.
People may be drawn to Islam because of its strong emphasis on the oneness of God, disciplined religious practice and a clear sense of purpose. The regular rhythm of prayer, fasting, charity and worship can provide structure and a strong awareness of God in everyday life.
Others may be attracted by the strong sense of community and belonging found in Muslim life. Shared practices such as Ramadan, Friday prayers, Eid celebrations and pilgrimage create a strong communal identity that connects Muslims across different cultures and countries.
Islam can also appeal to people seeking a faith that combines spirituality with practical obedience. Its emphasis on prayer, generosity, modesty, family responsibility, self-discipline and care for others gives religious belief a direct expression in everyday life.
Sharing the Gospel
These beliefs provide natural starting points for Gospel conversations with Muslims. Christianity and Islam share some important vocabulary and beliefs about God, Abraham, Moses, Jesus, prayer, morality and judgment, but they understand these things very differently.
The goal is not to attack Muhammad, insult Islam, or win an argument, but instead it is to lovingly point people to Jesus.
Start by listening. Ask what the person actually believes rather than assuming every Muslim believes exactly the same thing. Muslims come from many different cultures and traditions, and their personal understanding of Islam can vary considerably.
Remember: this is a guide, not a script. Ask the Holy Spirit to guide the conversation.
Have a conversation, not a presentation. Be respectful, patient and willing to listen. Speak the truth, but speak it in love.
Start with their story
A simple conversation about faith can begin with genuine curiosity:
"Can I ask you about your faith?"
"How did you become a Muslim?"
"What do you believe about God?"
"What do you believe about Jesus?"
"What do you find most meaningful about Islam?"
"Is there anything about Islam that you find difficult?"
"What do you think Christians misunderstand about Islam?"
Listen carefully. Don't immediately correct everything they say. You may discover that what they personally believe is quite different from what you expected.
A helpful principle is to ask → listen → clarify → respond.
For example:
"When you say Jesus was a prophet, what do you mean by that?"
This gives them an opportunity to explain their own position before you respond.
Start with Jesus
Jesus is one of the most natural bridges between Christianity and Islam. Muslims generally honour Jesus (Isa) as the Messiah and a great prophet. They also believe in His miraculous birth and His miracles. This gives Christians an opportunity to begin with something they already have in common.
You might ask:
"What do you believe about Jesus?"
"Who was Jesus?"
"Why do you think Jesus is called the Messiah?"
"What do you think Jesus came to do?"
"What do you think Jesus taught about Himself?"
Then listen. The conversation can gradually move from what Islam says about Jesus to what Jesus Himself said and what His earliest followers testified about Him.
"Would you be willing to look at what the earliest Christians actually believed about Jesus?"
This is an important distinction. Rather than simply saying, "The Quran is wrong," which makes them defensive, it is far better that they examine the Scripture and let it speak to their hearts.
Who is Jesus?
The decisive difference between Christianity and Islam is not simply that Christians and Muslims have different religious practices. It is who Jesus is. Islam honours Jesus as a prophet and Messiah but rejects His deity and His divine Sonship.
Muslims believe that prophets cannot lie (Quran 53:3–4, Quran 69:44–46, Quran 10:15), so this gives you an open door. Start by asking:
"According to the Quran, are prophets allowed to lie?"
Then listen. John begins his Gospel by saying, "The Word was God" (Joh 1:1)
And then, "The Word became flesh" (Joh 1:14)
You could ask:
"If Jesus is only a prophet, how do you understand the things He said and did?"
"Why does John describe Jesus as the Word who was with God and was God?"
"Why did Jesus allow people to worship Him?"
"Why did Jesus forgive sins?"
"Who do you think Jesus believed He was? More so because prophets cannot lie"
The goal is not to overwhelm someone with verses. Take one passage at a time and allow the person to think about what it actually says.
The earliest testimony about Jesus
This is where the conversation can become historical rather than merely theological. The New Testament documents were written by the earliest followers of Jesus and preserve their testimony about His life, death and resurrection. Christianity stands or falls on what happened to Jesus.
You can ask:
"What do you think the earliest Christians believed happened to Jesus?"
"Do you think the first Christians believed Jesus actually died?"
"If the earliest Christians believed Jesus was crucified, what evidence would we need to overturn their testimony?"
This leads naturally to the central question:
"Why should we believe a revelation that appeared centuries later if it contradicts the testimony of the people who knew Jesus and the earliest Christian communities?"
This is not an attack on Muhammad personally. It is a historical question about competing claims of revelation. Muslims claim the bible has been corrupted, but had this been the case in the 7th century (almost 600+ years after the eyewitness accounts, the Roman testimony, the Greek testimony of Jesus and so on.), Allah didn't know anything about it nor is it written in the Quran. The Quran affirms the Gospel, the Tanakh, the books of he prophets as true and a previous revelation from God.
There is no evidence that the Biblical claims are incorrect. The Quran in fact says:
"So let the people of the Gospel (Christians) judge by what Allah has revealed in it. And those who do not judge by what Allah has revealed are truly the rebellious" (Quran 5:47) i.e., we as Christians ought to know the Gospel and what it says about anything contradictory.
The crucifixion
The crucifixion is one of the most important differences between Christianity and Islam.
وَمَا قَتَلُوهُ وَمَا صَلَبُوهُ وَلَٰكِن شُبِّهَ لَهُمْ
Wa mā qatalūhu wa mā ṣalabūhu wa lakin shubbiha lahum
"And they did not kill him, nor did they crucify him, **but it was made to resemble [another] for them.**"
Islam therefore rejects the Christian understanding that Jesus was crucified and died on the cross. Christianity teaches the opposite. Jesus really died. He died voluntarily for our sins. He was buried. He physically rose from the dead. This is not a secondary disagreement. The death and resurrection of Jesus are at the centre of the Gospel.
You could ask:
"What do you believe happened to Jesus at the cross?"
"Why do you think the Quran denies the crucifixion?"
"What evidence do we have for what happened to Jesus?"
"Why would the earliest Christians proclaim Jesus' death if they knew it had not happened?"
"If Jesus really died and rose again, would that change your understanding of Him?"
The point is not to mock the Islamic explanation. Instead, invite the person to consider the evidence and compare the competing accounts.
The bigger problem here is that if one is to take this as truth, that would mean Allah did this deception intentionally, so how do we know that he is not doing that now or at any point in the future? If he did it once, it is possible he did it again.
This stands in stark contrast to the Bible where God is unchanging and His Word stands forever Isa 40:8, Mat 24:35, Psa 119:89, Jam 1:17, Heb 13:8, Num 23:19.
The Quran and the Gospel
Another important conversation concerns the Islamic claim that the earlier Scriptures have been corrupted. Be careful here. Muslims may mean different things by "corrupted." Rather than beginning with an accusation, ask:
"When you say the Bible was corrupted, what exactly do you mean? What is the evidence?"
"When do you believe the Bible was corrupted?"
"Do you believe the Gospel was already corrupted when Muhammad lived?"
This raises an important question about the Quran's relationship to the earlier Scriptures.
The Quran speaks positively about the Gospel and tells the people of the Gospel to judge according to what God revealed in it (Quran 5:47). You could therefore ask:
"If the Gospel had already been completely corrupted, why would the Quran tell Christians to judge by it?"
"What Gospel was the Quran referring to?"
"If the Gospel available in the seventh century was trustworthy enough to judge by, what happened to it?"
Then explain why this matters. If the Gospel available in the 1st century teaches that Jesus was crucified, died and rose again, then a later revelation denying those things has a serious historical problem.
At the core of it the question here is not simply, "Do you trust the Quran or the Bible?" but "Which revelation has the strongest historical claim to truth about Jesus?" What does the evidence say?
For more on this topic also see:
- Is the crucifixion of Jesus historically accurate?
- How do we know Jesus rose from the dead? The historical evidence
The Trinity
The Trinity is another area where Christians and Muslims often misunderstand one another. Islam strongly emphasises that God is one and rejects the Christian doctrine of the Trinity. Christians agree that there is only one God and not three. Rather, Christianity teaches that the one God eternally exists as Father, Son and Holy Spirit.
It is important to begin by recognising that Christianity does not reject Jewish monotheism. Judaism is monotheistic, and Christianity arose from that same Jewish context. The Christian claim is not that there are three gods, but that the one God revealed in the Scriptures has a complexity of personal distinction that is ultimately expressed as Father, Son and Holy Spirit.
This can be difficult to understand, so avoid beginning with complicated theological terminology. You might ask:
"When Christians say Father, Son and Holy Spirit, what do you think we mean?"
"Did you know Christians do not believe in three gods?"
"Would you be willing to look at what the Bible actually teaches about the Father, Son and Holy Spirit?"
Then build on that.
"Where did the Shahada get the idea of one God from?"
That comes from the Shema: "Hear, O Israel: The LORD our God, the LORD is one" Deuteronomy 6:4. The basic commandment of the Ten Commandments likewise says, "You shall have no other gods before Me" Deuteronomy 5:7.
Jesus himself reaffirmed this same commitment to the one God. When asked about the greatest commandment, he pointed back to the Shema: "Hear, O Israel: The Lord our God, the Lord is One." He then summarised the commandments as loving God and loving one's neighbour.
A Christian should not respond to a Muslim by arguing against the statement "God is one." Christians agree with it. Rather, ask:
Does "God is one" necessarily mean that God's existence cannot involve any distinction of persons?
That is where the discussion can move from a general statement about monotheism to the question of what the biblical Scriptures actually reveal about God's identity.
This is also worth exploring in an Islamic context. The Quran speaks positively about the earlier revelations given by God, including the Torah (Tawrat) and Gospel (Injil), and repeatedly presents the previous Scriptures as part of God's revealed history. Therefore, rather than immediately debating Christian theology in isolation, it can be useful to ask what the earlier Jewish Scriptures actually say about God's identity and whether they contain indications of distinctions within God's divine identity.
The important thing is to represent the doctrine accurately before discussing whether it is true. Then move the discussion to the central issue:
"If Scripture consistently teaches that God is one, does that settle the question of whether there can be distinctions within God's own identity?"
Christians affirm the oneness of God because the biblical revelation gives us reason to understand that oneness in a more complex way than simply saying there is one divine person.
1 God, eternally existing as 3 distinct persons: Father, Son and Holy Spirit.
Sin and salvation
Christianity and Islam also have fundamentally different understandings of salvation. Islam places great emphasis on repentance, obedience, good works and God's mercy. Christianity teaches that we have all sinned and cannot make ourselves righteous before God. You could ask:
"Do you believe you have ever sinned against God?"
"What happens to our sins when we stand before God?"
"How do you know that God will forgive you?"
"Can you ever know with certainty that you have done enough?"
"If God is perfectly just, how can He simply overlook our sins?"
These questions should not be asked as traps. The goal is to understand how the person thinks forgiveness and justice work. Then explain the Christian hope:
"The amazing thing about Christianity is that I don't have to earn God's forgiveness. Jesus came to do for me what I could never do for myself."
Jesus lived without sin. Jesus died for sinners. Jesus rose from the dead. And Jesus offers forgiveness and reconciliation with God to those who repent and trust in Him.
Justice and mercy
One of the most beautiful places to talk about the Gospel is the relationship between God's justice and mercy. Imagine a judge whose own law has been broken. If the judge simply ignores the crime, we would not call that justice. But what if the judge himself provided the payment required by the law?
Christianity says something even greater has happened. God does not simply pretend our sin never happened. At the cross, God deals with sin while extending mercy to sinners. You could ask:
"Do you think God is perfectly just?"
"Do you think God is perfectly merciful?"
"How can God be completely just and completely merciful at the same time?"
"What would it take for God to forgive our sins without simply ignoring justice?"
Then bring the conversation back to Jesus:
"That's why the cross is so important. Jesus didn't simply tell us to be better people. He came to deal with our sin."
The resurrection
The resurrection is the heart of the Christian message. Paul says that if Christ has not been raised, Christian faith is empty (1 Cor 15:14). This gives Christians an opportunity to move beyond abstract arguments about religion.
Ask:
"What do you believe happened after Jesus died?"
"Do you believe Jesus physically rose from the dead?"
"Why do you think the first Christians were so convinced that Jesus had risen?"
"What would you expect the disciples to have done if they knew Jesus was still dead?"
"If Jesus really rose from the dead, what would that mean about who He is?"
For more on this topic also see:
- Is the crucifixion of Jesus historically accurate?
- How do we know Jesus rose from the dead? The historical evidence
Use this historical evidence from the Roman and Greek records. Hostile and neutral non-Christian historians such as Romans Tacitus and Josephus confirm this. Even skeptical scholars overwhelmingly accept Jesus' crucifixion as historical fact because the evidence is so strong.
The question ultimately becomes personal.
"If Jesus really died and rose again, what does that mean for you?"
Muhammad and prophetic authority
If the conversation turns to Muhammad, keep the discussion respectful. You do not need to insult Muhammad or make personal attacks. Instead, ask how we can know that a later prophet truly spoke for God.
"How do you know Muhammad was a prophet of God?"
"What evidence convinced you?"
"How should we evaluate a later revelation that contradicts what the earliest followers of Jesus taught?"
"If Muhammad's teaching about Jesus contradicts the earliest Christian testimony, why should we believe Muhammad rather than the people who personally followed Jesus?"
This keeps the discussion focused on evidence and truth, rather than personalities.
The central question then is objective "How do we know that Muhammad was speaking for God when his teaching about Jesus contradicts the testimony of Jesus' earliest followers?"
When difficult passages come up
Conversations about Islam can sometimes move into difficult passages concerning warfare, treatment of non-Muslims, women, apostasy or religious minorities. Discuss the actual text and its interpretation. For example, if Quran 9:29 comes up, "Fight those who do not believe in Allah and the Last Day, nor comply with what Allah and His Messenger have forbidden, nor embrace the religion of truth from among those who were given the Scripture, until they pay the tax, willingly submitting, fully humbled," you can ask:
"How do you understand this passage?"
"Who is it talking about?"
"How do different Muslim scholars understand it?"
Don't use suffering as a reason to hate Muslims. Christians should be able to condemn injustice while continuing to love Muslim people. The Gospel calls us to love our neighbour, including the person with whom we deeply disagree.
Keep bringing the conversation back to Jesus
It is easy for a conversation about Christianity and Islam to become a never-ending debate about secondary issues. You don't need to answer every objection immediately. If the conversation becomes:
"What about this verse?"
"What about that historical event?"
"What about Christians behaving badly?"
You can respectfully answer where appropriate, but eventually return to the central question:
"Those are important questions. But can we come back to Jesus for a moment?"
Then ask:
"Who do you believe Jesus was?"
"What do you believe happened to Him?"
"Why do you think His earliest followers believed He died and rose again?"
"If Jesus really is the Son of God, what would that mean for you?"
Christianity ultimately does not rest on Christians being better people than Muslims. It rests on Jesus Christ. He is the centre of the Gospel.
A simple Gospel bridge
If the conversation is going well, you can explain the Gospel simply:
"Can I tell you why Jesus is so important to me?"
Then:
"God created us to know Him. But we have all sinned and rebelled against God. We cannot make ourselves righteous by being good enough. Jesus came into the world, lived without sin, died for our sins on the cross, and physically rose from the dead. Because of what Jesus has done, God offers forgiveness and reconciliation to us as a gift. We respond by turning away from our sin and trusting in Jesus."
You could then ask:
"What do you think about that?"
And then stop and listen. You don't need to force a decision.
Give the person room to think, ask questions and respond honestly.
Questions to Ask
About Islam
- How did you become a Muslim?
- What convinced you that Islam is true?
- What do you find most meaningful about Islam?
- What do you believe about God?
- Is there anything about Islam you struggle with?
- What do you think Christians misunderstand about Islam?
- What do you think Christianity gets right?
About God
- What is God like?
- What does it mean for God to be just?
- What does it mean for God to be merciful?
- Can God forgive sin without compromising justice?
- How can we know what God has revealed?
About Jesus
- Who do you believe Jesus was?
- Why is Jesus called the Messiah?
- What do you believe Jesus came to do?
- Did Jesus claim to be more than a prophet?
- Why did Jesus perform miracles?
- Why did Jesus forgive sins?
- Why do Christians worship Jesus?
- What do you believe happened to Jesus?
About the crucifixion
- Do you believe Jesus was crucified?
- If not, what do you believe happened?
- What evidence do you think supports that view?
- What did the earliest Christians believe happened?
- Why would the earliest Christians proclaim the crucifixion if Jesus had not died?
- If Jesus really died and rose again, would that change your understanding of Him?
About the Bible and Gospel
- When do you believe the Bible was corrupted?
- What do you mean by "corrupted"?
- Do you believe the Gospel was already corrupted in Muhammad's time?
- What Gospel does the Quran refer to?
- Why does the Quran tell the people of the Gospel to judge by it?
- How should we evaluate two revelations that contradict each other?
About Muhammad
- What convinced you Muhammad was a prophet?
- How do you know his revelation came from God?
- What evidence would you expect for a genuine prophet?
- How should we evaluate a later revelation?
- What should we do when a later revelation contradicts an earlier one?
- Why should we trust Muhammad's account of Jesus over the earliest Christian testimony?
About sin
- Do you believe human beings are sinful?
- What happens to our sins before God?
- How do you know God will forgive you?
- Can you know that you have done enough?
- Can good deeds remove guilt?
- How can justice and mercy both be satisfied?
About salvation
- How do you know you will be accepted by God?
- What gives you confidence about eternal life?
- Is salvation something we earn?
- What happens if we fail?
- What does God's mercy mean to you?
- If God offered forgiveness as a gift, would you want to receive it?
About the resurrection
- Do you believe Jesus physically rose from the dead?
- What do you think happened to the disciples?
- Why were the earliest Christians convinced Jesus had risen?
- What would Jesus' resurrection prove if it really happened?
- If Jesus rose from the dead, what would that mean about who He is?
About Jesus personally
- What do you think Jesus wants from you?
- What do you think Jesus would say to you?
- If Jesus really is the Son of God, would you follow Him?
- If Jesus really died for your sins, what would that mean for you?
- If Jesus really rose from the dead, what will you do with Him?
"If Jesus really is who He claimed to be, would you be willing to follow Him?"
The Christian's goal is not to defeat a Muslim in an argument. It is to faithfully proclaim Christ. We can respect Muslims without agreeing with Islam. We can speak honestly about serious differences without insulting Muhammad or Muslims. And we can disagree deeply while still treating the person in front of us with dignity, patience and love.
The conversation should ultimately come back to Jesus:
- Who is He?
- What happened to Him?
- Did He really die?
- Did He really rise again?
And if He did:
"What does Jesus mean for you?"
Common questions and objections
Keep these answers conversational rather than turning them into apologetics seminars. The aim is not to win an argument, but to listen, answer briefly and bring the conversation back to Jesus.
Christians believe in three gods
The Trinity can sound like Christians believe in three gods, but that is not what Christians mean. Christianity teaches that there is one God, who eternally exists as Father, Son and Holy Spirit. You could ask "Did you know Christians don't believe there are three gods?"
Then explain simply "Christians believe there is one God, but the Father, Son and Holy Spirit are distinct persons who share the one divine nature." Don't expect someone to understand the Trinity immediately. The more important question is what the Bible actually teaches about Jesus and the Holy Spirit. "Would you be willing to look at what Jesus says about His relationship with the Father?"
Jesus was only a prophet
Muslims rightly honour Jesus as a prophet and the Messiah. Christianity agrees that Jesus was a prophet, but says He is far more than a prophet. John describes Jesus as the Word who was with God and was God, and then says that the Word became flesh (Joh 1:1, Joh 1:14).
You could ask "If Jesus was only a prophet, how do you explain the authority He claimed for Himself?" "Why did Jesus forgive sins?" "Why did people worship Jesus?" "Who do you think Jesus believed He was?" The question isn't whether Jesus was a prophet. The question is whether He was only a prophet.
God cannot have a son
When Muslims hear Christians call Jesus the "Son of God," they may understandably think Christians mean that God physically fathered a child. That's not what Christians mean. Jesus is not God's biological son. "Son of God" speaks about His unique relationship with the Father and His divine identity.
You could say "Christians don't believe God had a wife or physically fathered Jesus. When we call Jesus the Son of God, we're talking about who He is, not about physical reproduction." Then ask: "Would you be willing to look at what Jesus meant when He called God His Father?" The question is ultimately whether Jesus is truly divine, not whether God physically fathered a child.
The Bible has been corrupted
This is one of the most important objections to handle carefully. Start by asking what the person means: _"When you say the Bible has been corrupted, what exactly do you mean,?" "When do you believe it was corrupted? and what is the evidence of that?"
You can then ask, "Do you believe the Gospel was already corrupted when Muhammad lived?" The Quran speaks of the Gospel and tells the people of the Gospel to judge according to what God revealed in it (Quran 5:47). "So if the Gospel had already been corrupted, why would the Quran tell Christians to judge by it?"
The conversation can then move toward the manuscripts and early Christian writings that preserve the New Testament text and, most importantly, what those early sources say about Jesus.
Also see:
- Are the Gospels full of contradictions? How do we know we can trust them?
- How can the Bible be trusted if it was written by men?
The Trinity isn't in the Bible
It is true that the word "Trinity" does not appear in the Bible. But Christians don't believe something simply because the word appears in the Bible. The doctrine is a summary of what Christians believe the Bible teaches about the Father, Son and Holy Spirit. You could ask "Would you be willing to look at the passages Christians use to understand the Trinity?," "What does the Bible teach about God, Jesus and the Holy Spirit?"
Jesus prayed to God, so He can't be God
This is a very natural question. Jesus' prayers demonstrate that He is genuinely human and that He has a real relationship with the Father. Christianity does not teach that Jesus is the Father. The Father and Son are distinct persons. You could say "I agree that Jesus prayed to the Father. Christians believe the Father and Son are distinct. But that doesn't answer the question of whether the Son is divine." Then ask: "If Jesus is God the Son who became human, would you expect Him to pray to the Father?"
The question then becomes what the whole New Testament says about Jesus, rather than isolating one passage.
If Jesus is God's Son, why does He say the Father is greater?
Jesus says in John 14:28, "The Father is greater than I." This can sound difficult if we assume Christianity teaches that Jesus and the Father are the same person or that Jesus was never genuinely human. Christianity teaches neither. Jesus became genuinely human. During His earthly ministry He willingly humbled Himself and submitted to the Father. You could ask: "Could Jesus be speaking about His position in His earthly mission rather than saying He isn't divine?" Then look at the wider testimony of Scripture rather than building an entire doctrine around one verse. Don't answer one difficult verse with another difficult verse. Look at the whole picture of who Jesus is.
Why would God need to die?
This objection often comes from misunderstanding what Christians mean by the cross. Christians don't believe God stopped existing, nor that the Father died. Jesus, the Son of God, genuinely experienced human death. The cross was not God being defeated. It was Jesus voluntarily giving His life for sinners. You could ask: "If God wanted to forgive sinners, do you think He could provide forgiveness while still dealing seriously with sin and justice?"
You can use actual illustrations as well. Imagine someone commits a serious crime and then says, "But I've done lots of good things too." A judge wouldn't say, "That's fine. The good things cancel out the crime." There is still a penalty to pay.
Then explain, "Christians believe that's what God did at the cross. Jesus willingly took our place and bore the consequences of sin." The cross therefore isn't a weakness in Christianity. It is at the centre of God's love, justice and mercy.
Why would God need a sacrifice? Couldn't He just forgive?
God certainly can forgive. The deeper question is what forgiveness means in relation to justice. If someone commits a serious crime, forgiveness does not make the crime cease to have happened. Someone still bears the cost. Christianity says that God does not simply ignore our sin. At the cross, God Himself provides the sacrifice. You could ask "If God is perfectly just, should He simply ignore evil?," "If God is perfectly merciful, how can He forgive sinners?"
Then explain "The Christian answer is the cross. God doesn't pretend our sin doesn't matter. Jesus bears the cost Himself so that God can be both just and merciful." This moves the conversation naturally toward the Gospel rather than merely debating religious rules.
Good people go to heaven
Islam places considerable emphasis on faith, repentance, obedience and good works, so the conversation can easily become about whether someone is a "good person." Instead, ask: "How good is good enough?," "How do you know when you've done enough?," "What happens to the wrong things you've already done?"
Christianity teaches that none of us can stand before God claiming that our good deeds outweigh our sins. Paul writes "For all have sinned and fall short of the glory of God" (Rom 3:23) The Gospel isn't "Try harder and maybe God will accept you." It is "You cannot save yourself, but Jesus can save you."
Good works matter deeply in Christianity, but they are the fruit of a changed life rather than the price we pay to purchase salvation.
Also see:
We worship the same God, so why argue?
Christians and Muslims both speak about one Creator God, but they do not mean exactly the same thing by God. Christianity teaches that God is Father, Son and Holy Spirit and that Jesus is God incarnate. Islam rejects the Trinity and rejects the deity of Jesus. So it is possible to acknowledge genuine similarities while still recognising that there are fundamental contradictions between the two faiths.
You could say "I agree that we both believe in one Creator God. But I don't think we believe exactly the same thing about who God is." Then bring it back to Jesus "The biggest question isn't whether Christians and Muslims use some of the same words. It's who Jesus actually is."
Also see:
Helpful Bible passages
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John 1:1–18 Useful when discussing the deity of Jesus, the Word becoming flesh and the identity of the Son of God.
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John 5:17–23 Useful when discussing Jesus' relationship with the Father and His divine authority.
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John 8:48–59 Useful when discussing Jesus' identity and His statement concerning Abraham.
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John 10:27–39 Useful when discussing Jesus' relationship with the Father and His claim to divine identity.
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John 14:6–11 Useful when discussing the uniqueness of Jesus and His relationship with the Father.
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John 14:25–26 Useful when discussing the Holy Spirit.
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Matthew 28:18–20 Useful when discussing Jesus' authority and the Father, Son and Holy Spirit together.
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Romans 3:21–26 Useful when explaining sin, grace, justification and how God's justice and mercy meet in Christ.
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Ephesians 2:8–10 Useful when explaining that salvation is God's gift while good works remain important in the Christian life.
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1 Corinthians 15:1–8 Useful when discussing the death, burial and resurrection of Jesus and the early Christian testimony.
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1 Peter 3:15–16 Useful as a reminder of how Christians should conduct apologetic conversations—with gentleness and respect.
A challenge for Christians
Muslim conversations can expose some uncomfortable things in us - and this can be good.
A Muslim may take prayer seriously. A Muslim may be disciplined in fasting. A Muslim may have a strong desire to honour God. A Muslim may take morality, modesty, generosity and devotion seriously. But do we?
A Christian can know all the right answers about the Trinity and still not love God deeply.
A Christian can defend the deity of Jesus and still refuse to obey Jesus.
A Christian can argue that salvation is by grace and still treat other people with pride.
A Christian can talk about Jesus' command to love our enemies and still be unwilling to forgive someone who has hurt them.
Would someone who watched my life see the character of Christ? Jesus didn't call us merely to win arguments about Him. He called us to follow Him. "By this all men will know that you are My disciples, if you love one another" (Joh 13:35)