Of Whomsoever I Am His Master

Abdullah bin Ahmad bin Aamer, from his father, fromImam Ali bin Musa Al-Redha, from Imam Musa bin Jaafar, from Imam Jaafar bin Mohammad (A.s.) , from Imam Mohammad bin Ali (A.s.), from Imam Ali bin Husain (A.s.) , from Imam Husain bin Ali (A.s.) , from Hazrat Ali bin Abi Taleb (A.s.), from the Messenger of Allah (S.a.w.w.), who said:

Of whomsoever I am his master, this Ali (A.s.) is his master. O Allah (S.w.t.)! Befriend those who befriend him, and antagonize those who antagonize him. Disappoint those who abandon him, and support those who support him.

(Ref : Bihar Al-Anwar 37:222. Sahifatol Redha 172. Amaali of Tousi 1:260:353)