تفسير : (and say not) o muhammad (of anything: lo! i shall do that tomorrow) or i shall say that tomorrow,
Jalāl al-Dīn al-Maḥallī
تفسير : and never say regarding something, that is, for the purpose of [doing] something, ‘i will indeed do that tomorrow’, in other words, [i will do something] at some future [point] in time,