(39) باب حُسْنِ الْخُلُقِ، وَالسَّخَاءِ، وَمَا يُكْرَهُ مِنَ الْبُخْلِ
Narrated Anas:
I served the Prophet (ﷺ) 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?"
Reference: Sahih al-Bukhari 6038
In-book reference: Book 78, Hadith 68
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 73, Hadith 64