Musannaf Ibn Abi Shayba 33:1004

Abu Usama narrated to us, he said: Umar bin Hamza informed us, he said: Al-Harith bin Abd al-Rahman bin Abi Dhu'ayb informed me, he said: Aisha said: "I do not know a man whom Allah has kept safe from the affairs of the people, and who has remained steadfast upon the path of those who were before him, like the steadfastness of Abdullah bin Umar."