Hadith 981:27
Waki' narrated to us, from al-A'mash, from Salim, from Thawban, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Remain upright for Quraysh as long as they remain upright for you."
حدثنا وكيع، عن الأعمش، عن سالم، عن ثوبان قال: قال رسول الله صلى الله عليه وسلم: " استقيموا لقريش ما استقاموا لكم "