 ٩ـ عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ خَالِدٍ عَنْ أَبِيهِ عَنْ فَضَالَةَ بْنِ أَيُّوبَ عَنْ عُمَرَ بْنِ أَبَانٍ عَنْ مَنْصُورٍ الصَّيْقَلِ قَالَ سَمِعْتُ أَبَا جَعْفَرٍ (عَلَيْهِ السَّلام) يَقُولُ تَذَاكُرُ الْعِلْمِ دِرَاسَةٌ وَالدِّرَاسَةُ صَلاةٌ حَسَنَةٌ.
 9. A number of our people has narrated from Ahmad ibn Muhammad ibn Khalid from his father from Faddala ibn Ayyub from ‘Umar ibn Aban from Mansur al-Sayqal who has said the following. “Imam abu Ja‘far  has said, ‘Discussing knowledge is study and study is a good prayer.’”