hadith
7737
۞
Imam Ali (AS) said, How many a sorrowful person has been driven to perpetual bliss by his sorrow.
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : كَمْ مِنْ حَزين وَفَدَ بِهِ حُزْنُهُ عَلى سُرُورِ الأبَدِ