‏الفضائل : Hadeeth No:5781 Muhammad b. Sirin reported: I asked Anas b. Malik whether Allaah's Messenger (sallAllaahu alayhi wa sallam) dyed his hair. He said: He had but little white hair....

‏الصلاة : Hadeeth No:860 Abu Huraira reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) said: Does the man who lifts his head before the Imam not fear that Allaah may change his face into that of an ass?...