ما يُعلِّمه الإسلام
Islam presents itself as the same message given to earlier prophets, restored. Abraham, Moses, David, Jesus and Mary are all in the Quran, several of them extensively; Mary is the only woman named in it and a chapter carries her name. Muslims believe Jesus was born of a virgin, performed miracles, and was a prophet — and not that he was God, or God's son, or that he died to atone for anybody. Jews and Christians are referred to as People of the Book, a category with specific legal consequences in classical Islamic law: their scriptures are acknowledged as having a divine origin, and their communities were treated differently in law from communities without one.
ما قد تلاحظه
Muslims who know more about Jesus than a secular acquaintance expects, and who are then baffled to be told they reject him. Interfaith events that go well on ethics and stall on Christology. Muslim families who are comfortable in a synagogue or a church as visitors and will not join in a prayer addressed to anyone but God.
لماذا يهم
Because the overlap is wide enough to make the differences easy to paper over, and papering over them helps nobody. 'We all believe the same thing really' is false, and a seeker who is told it and then finds out otherwise has been handled rather than informed. The honest position is that three traditions share a great deal of moral vocabulary and disagree about the most important claim each of them makes.
ما يختلف
Among Muslim commentators, what happened at the crucifixion. The majority classical reading is that Jesus was not crucified but raised, and that something was made to appear otherwise; there are several versions of how. A minority of modern Muslim scholars read the relevant passage as denying the theological significance of the death rather than the death itself. It is a live disagreement inside Islam, not a united front. The legal status of non-Muslims in a Muslim-majority state is also actively argued about, with positions ranging from the classical categories to full constitutional equality as a religious obligation.
مفهوم خاطئ شائع
That Islam is hostile to the other two by definition. The relationship in Islamic texts is closer to a family argument than to a foreign war, which is why it can be bitter in a specific way. It is also worth separating theology from history: how Muslim states treated Jewish and Christian subjects varied enormously by century and place, and generalising in either direction — unbroken tolerance or unbroken persecution — is propaganda rather than history.
مقارنة بسياقك
If you grew up in a Christian setting: the Islamic account of Jesus will feel like a high view of him with the centre removed. If you grew up Jewish: Islam will feel structurally familiar — law, community, one God, no incarnation — and will differ on whether prophecy continued and on what Abraham's lineage entails.
اسأل أكثر
Comparative questions are a good use of a conversation with an actual person, because they depend on what you already believe. The reviewed answers here will not tell you which tradition is true.