Sahih Muslim | Book 20 | Hadith Number 4632

Narrated by It has been narrated on the authority of Abu Huraira that the Messenger of Allah (may peace be upon him)
It has been narrated on the authority of Abu Huraira that the Messenger of Allah (may peace be upon him) said: If it were not hard upon my Umma (to follow my example), I would not lag behind any expedition-as in the traditions gone before.