1183 - Abu Bakr narrated to us, he said: Abu 'Abd Allah narrated to us, he said: Yahya narrated to us, from Isma'il, he said: Qays narrated to us, he said: Jarir ibn 'Abd Allah informed me, or: I heard Jarir, saying: "I pledged allegiance to the Messenger of Allah, may Allah bless him and grant him peace, upon: the establishment of prayer, the giving of Zakat, and sincerity towards every Muslim."