Narrator
Imam Ja’far al-Sadiq (AS)
Source
Al-Kafi ,Vol. 2, Hadith 12
Explanation
This narration explains the destructive chain reaction of uncontrolled anger. Once anger takes control, it unlocks harmful speech, regretful actions, broken relationships, and moral decline. It is described as a “key” because it opens the door to multiple forms of harm.
Connection to Main Wisdom
Imam Ali (AS) teaches self-control during anger; this narration explains why that control is necessary — because anger unchecked becomes the origin of wider corruption.