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An independent inquiry · History, evidence & perspectiveRead our source & review standards ↗

All reading & tools

The whole inquiry, at a glance.

Every collection and study tool. Individual surahs are listed in the Qur’an reader.

Updated 20 October 2026Editorial review edition

Begin here

Home Six starting questions 17 core questions Complete printable collection Deeper questions

Holy days & observances

Overview & Ramadan dates Ramadan: fasting, revelation and a shared month Laylat al-Qadr: why one night receives such attention Eid al-Fitr: completing Ramadan with gratitude and generosity Hajj and Arafah: pilgrimage, presence and accountability Eid al-Adha: Ibrahim, devotion and sharing Muharram and Ashura: a new year, fasting and remembrance

Texts & interpretation

All 114 surahs Qur’an by topic Selected hadith Selected Bible chapters Earlier Scripture Interpretations Prophecy Reading guide Search

Study tools

Research library Glossary Claim checklist Reading paths AI prompts My inquiry notebook

About & transparency

Our method Respectful inquiry About the inquiry Companion book Development plan Status & privacy Corrections

The six questions

Did Muhammad exist?What do the earliest sources say?What did Muhammad teach?Who did Muhammad claim to be?What happened at the end?Is the Qur’an from God?

Core answers

Why did God send Muhammad into the world?What is the Qur’an, and how do Muslims understand it came to be?Who is God in Islam, and why does Islam reject the Trinity?What was Muhammad’s path from Mecca to Medina, and why did it take that shape?How does Islam deal with human sin without a cross?Did Muhammad come to show people how to live, and what does following him involve?What does Islam say about Jesus?Did Muhammad actually exist, and can the hadith be trusted?Did Muhammad claim to be the final prophet, and what does “seal of the prophets” mean?Why does the Qur’an speak the way it does, rather than as one chronological story?Why do Muslims believe the Qur’an has been preserved, and what does the evidence show?What did Muhammad actually ask of people?If Islam is the final religion, what about everyone else?Why is there suffering, and what does Islam say about God’s will?What is the message in one sentence, and what difference does it make on a Tuesday?How has Islam been misused in violence, politics and the treatment of others, and what does that prove?Why do Sunni, Shia and other Muslims differ, and does that weaken or strengthen the case?

Research essays

When faith is used to harm Why the sources differ What memory and transmission research can tell us

Scripture comparisons

Adam, the angels and the fall Noah and the flood Abraham, the idols and the sacrifice Joseph: betrayal, providence and forgiveness Moses and Pharaoh David and Solomon: kingship under judgment Jonah: prayer, repentance and mercy Mary and the birth of Jesus The crucifixion: text, interpretation and history A prophet like Moses: Deuteronomy 18 Ahmad and the Paraclete The servant and Isaiah 42 Song of Songs 5:16 and “Muhammadim”The People of the Book and tahrif

Interpretations & prophecy

Fear and trust The Good Samaritan’s cousins: righteousness and the neighbour The light verse: image, theology and spiritual perception Wealth and the poor: a gift, a duty and a public concern Who knows the interpretation? Reading Qur’an 3:7 Earlier Scripture and Muhammad Qur’anic predictions and later events Hadith predictions: conquests and the Hour