Indeed, ʿilm is not in abundance of narrations, rather it is Nūr that Allāh casts in the heart. And a necessary condition (to attain ʿilm) is adherence to it and distancing oneself from desires and innovations. Imām adh-Dhahabī, in: سير أعلام النبلاء ٣٢٣/١٣…