Ṣaḥīḥ al-Bukhārī Ḥadīth [100] – The death of scholars and the departure of knowledge
It is narrated on the authority of ‘Abdullāh bin ‘Amr bin al-‘Āṣ that he said: I heard Allāh’s Messenger (peace and blessings of Allāh be upon him) saying: “Verily, Allāh does not take away the knowledge, by taking it away from (the hearts of) the people, but takes it away by the death of the schola