Jariya bin Qudama reported,

A man said to the Messenger of Allah ﷺ, "Messenger of Allah, tell me something, and keep it brief so that I may grasp it."He said, "Do not become angry."The man repeated his request several times, and each time he replied, "Do not become angry."

Azami 14998

Sahih

عن جارية بن قدامة

أن رجلا قال له: يا رسول الله قل لي قولا وأقلل علي لعلي أعقله قال: لا تغضب فأعاد عليه مرارا كل ذلك يقول: لا تغضب.

الأعظمي 14998صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Superior moral conduct
Chapter
Vices of character
Section
Caution against anger
Numbering
Jami al-Kamil 14998 (2nd edition)
Azami 14998