hadith
4400
۞
Imam Ali (AS) said, If you would like to be the most felicitous of people through what you have learnt, then act upon it.
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : إنْ أحْبَبْتَ أنْ تَكُونَ أسْعَدَ النّاسِ بِما عَلِمْتَ فَاعْمَلْ