Sahih Bukhari
Merits of the Helpers in Madinah (Ansaar)
Volume: 005 / Book Number: 058 / Hadith Number: 239
Narrated Mujahid bin Jabir Al-Makki:
Abdullah bin 'Umar used to say, "There is no more Hijrah (i.e. migration) after the Conquest of Mecca."