Musnad Ahmad 5:81

Ibn Numayr narrated to us, al-A‘mash narrated to us, from ‘Adi ibn Thabit, from Zirr ibn Hubaysh, who said: ‘Ali said: "By Allah, it is among what the Messenger of Allah, peace and blessings of Allah be upon him, pledged to me: 'None shall hate me except a hypocrite, and none shall love me except a believer.'"