Sahih al-Bukhari 6116
Book 78: Good Manners and Form (Al-Adab) · Narrated by Abu Huraira
Arabic
حَدَّثَنِي يَحْيَى بْنُ يُوسُفَ، أَخْبَرَنَا أَبُو بَكْرٍ ـ هُوَ ابْنُ عَيَّاشٍ ـ عَنْ أَبِي حَصِينٍ، عَنْ أَبِي صَالِحٍ، عَنْ أَبِي هُرَيْرَةَ ـ رضى الله عنه ـ أَنَّ رَجُلاً، قَالَ لِلنَّبِيِّ صلى الله عليه وسلم أَوْصِنِي. قَالَ " لاَ تَغْضَبْ ". فَرَدَّدَ مِرَارًا، قَالَ " لاَ تَغْضَبْ ".
English translation
Narrated Abu Huraira:A man said to the Prophet (ﷺ) , "Advise me! "The Prophet (ﷺ) said, "Do not become angry and furious." The man asked (the same) again and again, and the Prophet (ﷺ) said in each case, "Do not become angry and furious
Reference: Sahih al-Bukhari 6116, Book of Good Manners and Form (Al-Adab). English translation by Dr. Muhammad Muhsin Khan.