Al-Mu'minun, "The Believers," is the twenty-third surah — 118 verses revealed in Mecca.1 It opens with a promise and a definition: "Certainly will the believers have succeeded," and then says exactly who they are.
What it is about
The surah begins with character and ends with accountability. Between them it sets out the evidence for both: the making of every human being in the womb, the gifts of rain, olive and livestock, and a long line of messengers who were rejected by comfortable elites saying, "This is not but a man like yourselves." Its closing question gathers everything that came before: "Then did you think that We created you uselessly and that to Us you would not be returned?"9
Key themes
The successful believer. The opening verses describe them: "They who are during their prayer humbly intent and they who turn away from ill speech and they who are observant of zakah and they who guard their private parts... And they who are to their trusts and their promises attentive and they who carefully maintain their prayers — those are the inheritors who will inherit al-Firdaus."2
The making of a human being. The surah traces human development from "an extract of clay" to a drop, a clinging clot, a lump, bones clothed with flesh — "then We developed him into another creation. So blessed is Allah, the best of creators."3
One religion, divided. After Noah, an unnamed messenger, Moses and Aaron, and Mary and her son, the messengers are addressed together: "eat from the good foods and work righteousness... And indeed this, your religion, is one religion." But people "divided their religion among them into portions — each faction, in what it has, rejoicing."4
Good deeds with a fearful heart. The surah describes those who "give what they give while their hearts are fearful because they will be returning to their Lord" — and it is they who "hasten to good deeds." It adds a reassurance: "We charge no soul except [with that within] its capacity."5
One God, not many. "Allah has not taken any son, nor has there ever been with Him any deity. [If there had been], then each deity would have taken what it created, and some of them would have [sought to] overcome others."6
Answering evil with good. The Prophet ﷺ is told: "Repel, by [means of] what is best, [their] evil," and to seek refuge in God "from the incitements of the devils."7
No second chances after death. When death comes, the one who wasted his life asks, "My Lord, send me back that I might do righteousness in that which I left behind." The answer: "No!... and behind them is a barrier until the Day they are resurrected."8
Why it matters
Al-Mu'minun gives one of the Quran's fullest summaries of the believer's character, and its opening verses are a standard reference for humility in prayer. Its closing question — whether human beings were created without purpose — and its final prayer, "My Lord, forgive and have mercy, and You are the best of the merciful," sum up the surah's movement from warning to hope. To read Al-Mu'minun in Arabic with translations and recitation, open it on Quran.com.