بُنِيَ الْإِسْلَامُ عَلَى خَمْسَةِ أَشْيَاءَ عَلَى الصَّلَاةِ وَ الزَّكَاةِ وَ الْحَجِّ وَ الصَّوْمِ وَ الْوَلَايَةِ[1]
Hadith.1770 - Abu Ja’far (Imam Muhammad ibn Ali Al-Baqir (as)) said: "Islam is built upon five things: prayer, almsgiving, pilgrimage, fasting, and wilayah (divinely appointed leadership)."