Anbash Al-Abdi, from Jabir bin Abdullah Al-Ansari, said:
We were sitting with ABU JAFFAR MOHAMMAD BIN ALI bin HUSAIN (ASWS), when he recited this vese, “Every soul is a pledge for what it has earned, except the people of the right hand” (74:38-39)
So someone asked, “Who are the people of the right hand?”
MOHAMMAD BIN ALI (ASWS) replied, “They are Shia of ALI BIN ABI TALEB (ASWS)
(Ref: Taaawil Al-Ayaat 2: 737, Bihar Al-Anwar 7:292,24:8, Majma Al-Bayan 10, Tafseer Al-Qummi 702)