Musannaf Ibn Abi Shaybah 32675 — Reports on talk about rulers

Salim bin Abdullah said: Umar bin Abd al-Aziz (may Allah have mercy on him) said to me: "Write down for me the way of Sayyiduna Umar (may Allah be pleased with him)." I said: "If you act as Sayyiduna Umar acted, you will be better than Sayyiduna Umar, for your time is not the time of Sayyiduna Umar, nor do you have with you men like the companions of Sayyiduna Umar."