Musannaf Ibn Abi Shayba 27:737

Ya'la ibn 'Ubayd narrated to us, he said: Isma'il ibn Abi Khalid narrated to us, from 'Abdullah ibn Abi Qatada, he said: I was informed that the Messenger of Allah (may Allah bless him and grant him peace) said: "Were it not for the emigration, I would have been a man from the Ansar."