Mukhtasar Bukhari (Abridged) 1459 — Virtue of the Quraysh tribe

Narrated by Sayyiduna Ibn Umar (may Allah be pleased with them both) from the Noble Prophet (peace and blessings of Allah be upon him) that he said: "This caliphate will remain among the Quraysh as long as there are two men of them left (in the world)."