Ja`far b. Muhammad b. Masrur narrated to us. He said: Muhammad b. `Abdullah b. Ja`far al-Himyari narrated to us from his father from Muhammad b. al-Husayn b. Abi’l Khattab from `Ali b. Asbat from his uncle Ya`qub b. Salim from al-Sadiq Ja`far b. Muhammad :

`Isa b. Maryam said to some of his companions: Do not do unto others what you would not like to be done unto you. If someone slaps your right cheek, then give him your left.