Musnad Abu Ya'la al-Mawsili 114:16

Musa ibn Hayyan narrated to us, Abd al-Rahman narrated to us, Hammad ibn Zayd narrated to us, from Ayyub, from Muhammad, who said: Anas used to speak little about the Messenger of Allah, may Allah bless him and grant him peace. And when he did speak, he would say, "Or as he said."