A man asked for advice and got one line
He asked repeatedly, and got the same answer every time.
لاَ تَغْضَبْ
A man said to the Prophet: advise me. He said: do not become angry. The man repeated his request several times, and he said: do not become angry.
The full narration
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
Source
Ṣaḥīḥ al-Bukhārī · 6116
Ṣaḥīḥ
- Agreed upon as authentic (al-Bukhārī / Muslim)