Narrated Ubayy bin Ka'b:
Ubayy bin Ka'bthat the Messenger of Allah (ﷺ) said: "If it were not for the Hijrah, I would be a man from the Ansar." (ID)
English reference (ID): Vol. 1, Book 46, Hadith 3899 (ID)
Arabic reference (ID): Book 49, Hadith 4273 (ID)