88 verses • revealed at Meccan
»The surah that opens with the single discrete Arabic letter Ṣād. It takes its name from the letter Ṣād, as mentioned in verse 1. This surah mentions previous prophets in support and encouragement for Muḥammad, and makes a clear link between the arrogance displayed by the disbelievers of Mecca, previous generations, and Iblis, the original rebel. The first and last verses assert the truth and nobility of the Quran.«
The surah is also known as Saad
بِسمِ اللَّهِ الرَّحمٰنِ الرَّحيمِ
George Sale: In the name of the most merciful God.
S. By the Koran full of admonition.