 ٩ـ الْحُسَيْنُ بْنُ مُحَمَّدٍ عَنْ مُعَلَّى بْنِ مُحَمَّدٍ عَنِ الْحَسَنِ بْنِ عَلِيٍّ الْوَشَّاءِ عَنْ عَاصِمِ بْنِ حُمَيْدٍ عَنْ أَبِي بَصِيرٍ قَالَ سَمِعْتُ أَبَا عَبْدِ الله (عَلَيْهِ السَّلام) 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.’”