Sunan Abī Dāwūd Ḥadīth [3646] – The writing of knowledge
It is narrated on the authority of ‘Abdullāh bin ‘Amr bin al-‘Āṣ (may Allāh be pleased with them both) that he said: I used to write everything which I heard from the Messenger of Allāh (peace and blessings of Allāh be upon him). I intended (by it) to memorize it. The Quraysh prohibited me saying: D