تفسير : and from his narration on the authority of ibn 'abbas that he said in the interpretation of allah's saying (ha. mim.): '(ha. mim.) he says: he has already decreed that which will happen, i.e. he has shown it.
Jalāl al-Dīn al-Maḥallī
تفسير : hā mīm: god knows best what he means by these [letters].
Sahl al-Tustari
تفسير : hā, mīm ! by the book that makes things clear.that is, within it he clearly distinguished guidance from error, good from evil, and expounded the bliss of the fortunate (suʿadāʾ) and the misery of the wretched (ashqiyāʾ).