صَحِيحُ الْبُخَارِيِّ
Sahih al-Bukhari 127
Knowledge
Whoever selected some people to teach them (religious) knowledge preferring them over others for fear that the others may not understand it
حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُوسَى عَنْ مَعْرُوفِ بْنِ خَرَّبُوذٍ عَنْ أَبِي الطُّفَيْلِ عَنْ عَلِيٍّ بِذَلِكَ.
Narrated Abu at-Tufail: The above mentioned Statement of `Ali.
Sahih al-Bukhari, 127Sahihصحيح