تفسير : (and by the night when it is stillest) and by the night when it becomes dark,
Jalāl al-Dīn al-Maḥallī
تفسير : and [by] the night when it is still — or [sajā can mean] ‘when it envelops [all] in its darkness’.
Sahl al-Tustari
تفسير : and [by] the night when it is still,this means the natural self (nafs al-ṭabʿ) when it finds tranquil repose with the spiritual self (nafs al-rūḥ) in the constant remembrance (dhikr) of god, exalted is he. his words, exalted is he: