The Sufficient (Vol 5) · Hadith 475 (#Ḥadīth #2)
Chapter 53 | The Excellence of Doing Business and Giving It Proper Attention
2- عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ فَضَّالٍ عَنِ ابْنِ بُكَيْرٍ عَمَّنْ حَدَّثَهُ عَنْ أَبِي عَبْدِ اللهِ قَالَ التِّجَارَةُ تَزِيدُ فِي الْعَقْلِ.
2. A number of our people have narrated from Ahmad ibn Muhammad from ibn Faddal from ibn Bukayr from those who narrated to him who has said the following: “Abu ‘Abd Allah , has said, ‘Doing business increases one’s power of reason.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).