Fussilat, "Explained in Detail," is the forty-first surah — 54 verses revealed in Mecca.1 It is the second of the seven Ha-Mim surahs and is also called Ha-Mim al-Sajdah. Its name comes from its opening description of the Quran: "A Book whose verses have been detailed, an Arabic Quran for a people who know."
What it is about
The surah confronts people who had decided not to listen. They said, "Our hearts are within coverings from that to which you invite us," and urged one another: "Do not listen to this Quran and speak noisily during [the recitation of] it that perhaps you will overcome."5 The surah answers with plain speech — "I am only a man like you to whom it has been revealed that your god is but one God; so take a straight course to Him and seek His forgiveness"2 — and with arguments from creation, from history and from the Last Day.
Key themes
Creation willingly obedient. God created the earth, set mountains on it and measured out its provisions; "then He directed Himself to the heaven while it was smoke and said to it and to the earth, 'Come [into being], willingly or by compulsion.' They said, 'We have come willingly.'"3
Witnesses from within. On the Last Day, "their hearing and their eyes and their skins will testify against them of what they used to do." They ask their skins, "Why have you testified against us?" and are answered: "We were made to speak by Allah, who has made everything speak."4
The steadfast. "Those who have said, 'Our Lord is Allah' and then remained on a right course — the angels will descend upon them, [saying], 'Do not fear and do not grieve but receive good tidings of Paradise, which you were promised.'"6
Better speech, better response. "Who is better in speech than one who invites to Allah and does righteousness and says, 'Indeed, I am of the Muslims.'" And then one of the Quran's great ethical teachings: "not equal are the good deed and the bad. Repel [evil] by that [deed] which is better; and thereupon, the one whom between you and him is enmity [will become] as though he was a devoted friend. But none is granted it except those who are patient."7
Signs everywhere. The surah closes with a promise: "We will show them Our signs in the horizons and within themselves until it becomes clear to them that it is the truth."8
Why it matters
Fussilat contains one of the Quran's most practical moral teachings: that evil answered with goodness can turn an enemy into a friend — and that doing so takes patience. Its image of the body testifying against its owner, and its promise of signs "in the horizons and within themselves," have made it a touchstone for reflection on the self and the universe. To read Fussilat in Arabic with translations and recitation, open it on Quran.com.