تفسير : (he is indeed successful who causeth it to grow) who refines it, makes things clear for it and guides it to success,
Jalāl al-Dīn al-Maḥallī
تفسير : successful indeed (qad: the lām [of laqad, ‘indeed’] has been omitted from it for the sake of brevity) will be the one who purifies it, purges it of sins,
Sahl al-Tustari
تفسير : successful indeed will be the one who purifies it, he said:he who is granted [the ability to consider] (naẓar) the matter of his final return (maʿād), succeeds.