Sahih Muslim
The Book Pertaining to the Merits of the Companions (Allah Be Pleased With Them) of the Holy Prophet (May Peace Be Upon Him) (Kitab Al-Fadail Al-Sahabah)
Book Number: 031 / Hadith Number: 6072
Ibn Musayyib reported that Hassan said to a circle in which there was also Abu Huraira: Abu Huraira, I adjure you by Allah (to tell) whether you-had not heard Allah's Messenger (may peace be upon him) saying like this.