Bismillah Walhamdulillah Was Salaatu Was Salaam ‘ala Rasulillah
Narrated by Anas (Radi-Allahu ‘anhu):
I served the Prophet (Sallallahu ‘Alaihi Wa Sallam) for ten years, and he never said to me, “Uf” (a minor harsh word denoting impatience) and never blamed me by saying, “Why did you do so or why didn’t you do so?”
Bukhari Vol. 8 : No. 64