He told that they used to call Zaid b. Haritha, God's messenger's client, simply Zaid b. Muhammad till the verse in the Quran came down, "Call them after their fathers." (Bukhari and Muslim.) The tradition of al-Bara' in which he said to `Ali, "You pertain to me," has been mentioned in the chapter on young people attaining puberty, and their guardianship in childhood.