وَقَالَ (عليه السلام):
Amir al-mu'minin, peace be upon him, said:
الْحِدَّةُ ضَرْبٌ مِنَ الْجُنُونِ،
Anger is a kind of madness
لاِنَّ صَاحِبَهَا يَنْدَمُ،
because the victim to it repents afterwards.
فَإِنْ لَمْ يَنْدَمْ فَجُنُونُهُ مُسْتَحْكِمٌ.
If he does not repent his madness is confirmed.