Musnad Ahmad 32:1663

'Affan narrated to us, Shu'bah narrated to us, he said: 'Abdullah ibn 'Abdullah ibn Jabr informed me, he said: I heard Anas saying: The Prophet, may Allah bless him and grant him peace, said: "The sign of hypocrisy is hatred of the Ansar, and the sign of faith is love of the Ansar."