Whoever selected some people to teach them (religious) knowledge preferring them over others for fear that the others may not understand it

وَقَالَ عَلِيٌّ حَدِّثُوا النَّاسَ، بِمَا يَعْرِفُونَ، أَتُحِبُّونَ أَنْ يُكَذَّبَ، اللَّهُ وَرَسُولُهُAnd ‘Ali said, “You should preach to the people according to their mental calibre so that they may not convey wrong things about Allah and His Messenger ﷺ.”