As-Saff, "The Ranks," is the sixty-first surah — 14 verses revealed in Medina.1 It opens with a sharp question to believers: "why do you say what you do not do? Greatly hateful in the sight of Allah is that you say what you do not do. Indeed, Allah loves those who fight in His cause in a row as though they are a [single] structure joined firmly."2
What it is about
The surah is about integrity and solidarity — matching words with deeds and standing together. It recalls Moses, whose people harmed him though they knew he was God's messenger, and Jesus, who said: "O Children of Israel, indeed I am the messenger of Allah to you confirming what came before me of the Torah and bringing good tidings of a messenger to come after me, whose name is Ahmad."3
It then offers believers "a transaction that will save you from a painful punishment": to "believe in Allah and His Messenger and strive in the cause of Allah with your wealth and your lives," in return for forgiveness, Paradise, and "victory from Allah and an imminent conquest."4 It ends with the example of the disciples: "be supporters of Allah, as when Jesus, the son of Mary, said to the disciples, 'Who are my supporters for Allah?' The disciples said, 'We are supporters of Allah.'"5
Why it matters
As-Saff contains the Quran's statement that Jesus foretold the coming of Ahmad, a name of the Prophet Muhammad ﷺ, and one of its most pointed rebukes of hypocrisy between word and action. Its image of believers "as though they are a [single] structure" has become a lasting picture of Muslim unity. To read As-Saff in Arabic with translations and recitation, open it on Quran.com.