Musannaf Ibn Abi Shaybah 32640 — Reports on talk about rulers

Hisham said: Whenever Ibrahim was mentioned before Muhammad bin Sirin (may Allah have mercy on him), he would say: "I saw him as a young man who stayed close to Alqamah all the time; there was a whiteness in his eye. And I have also seen al-Sha'bi, in the time of Ibn Ziyad."