The Sufficient (Vol 1) · Hadith 149 (#Ḥadīth #9)
Chapter 17 | Chapter on narrating books and Hadith (The virtue of writing and its preservation)
9ـ الْحُسَيْنُ بْنُ مُحَمَّدٍ عَنْ مُعَلَّى بْنِ مُحَمَّدٍ عَنِ الْحَسَنِ بْنِ عَلِيٍّ الْوَشَّاءِ عَنْ عَاصِمِ بْنِ حُمَيْدٍ عَنْ أَبِي بَصِيرٍ قَالَ سَمِعْتُ أَبَا عَبْدِ الله يَقُولُ اكْتُبُوا فَإِنَّكُمْ لا تَحْفَظُونَ حَتَّى تَكْتُبُوا.
9. Al-Husayn ibn Muhammad has narrated from Mu‘alla ibn Muhammad from al-Hassan ibn Ali al-Washsha’ from ‘Asim ibn Humayd from abu Basir who has said the following. “(Imam) abu ‘Abdallah said, ‘You must write down because you will not memorize until you write down.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).