39. The most important knowledge for you is that without which [your good] action is not accepted.
39. The most important knowledge for you is that without which [your good] action is not accepted.
39 أغْلَبُ النّاسِ مَنْ غَلَبَ هَواهُ بِعِلْمِهِ.
39 أغْلَبُ النّاسِ مَنْ غَلَبَ هَواهُ بِعِلْمِهِ.