‏الزكاة : Hadeeth No:2301 This hadith has been narrated on the authority of Zuhri with the same chain of transmitters....

‏الإيمان : Hadeeth No:103 It is narrated on the authority of Jarir that he observed: I owed allegiance to the Prophet of Allaah (may peace and blessings be upon him) on hearing ( is commands) and obeying (them) and the Prophet) instructed me (to act) as lay in my power, and sincerity and goodwill for every Muslim....