Musnad Abu Ya'la al-Mawsili 153:175

Abu Khaythama narrated to us, Mu'adh ibn Mu'adh narrated to us, 'Asim ibn Muhammad narrated to us, he said: I heard my father say: I heard 'Abdullah ibn 'Umar say: The Messenger of Allah (may Allah bless him and grant him peace) said: "This matter will continue to remain in Quraysh as long as two people remain among the people."