Sahih Muslim Book 19, Hadith Number 4399.

Chapter : No Quraishite will be killed bound hand and foot after the conquest of Mecca.

It has been narrated on the authority of Abdullah b. Muti’ who heard from his father and said: I heard the Holy Prophet (may peace be upon him) say on the day of the Conquest of Mecca: No Quraishite will be killed hound hand and foot from this day until the Day of judgment.