Al-Kāfi
Hadith 2257ـ الْحُسَيْنُ بْنُ مُحَمَّدٍ عَنْ مُعَلَّى بْنِ مُحَمَّدٍ عَنِ الْوَشَّاءِ عَنْ عَاصِمِ بْنِ حُمَيْدٍ عَنْ أَبِي حَمْزَةَ عَنْ عَلِيِّ بْنِ الْحُسَيْنِ (عَلَيهِما السَّلام) قَالَ مَنْ عَمِلَ بِمَا افْتَرَضَ الله عَلَيْهِ فَهُوَ مِنْ أَعْبَدِ النَّاسِ.
7. Al-Husayn ibn Muhammad has narrated from Mu’ alia ibn Muhammad from al- Washsha’ from ‘Asim ibn Humayd from abu Hamza from Ali ibn al-Husayn (a.s.) who has said the following: “Ali ibn al-Husayn (a.s.) has said, ‘One who fulfills what Allah has made obligatory upon him, he, among the people, is the one who worships the most.’”