Hadith.3032 - Rabi‘ narrated from Muhammad ibn Muslim, from Abu Ja‘far عليه السلام, regarding the saying of Allah سبحانه وتعالى, the Almighty: "Then let them complete their prescribed duties" (Surah Al-Hajj 22:29). Imam عليه السلام said: "It refers to trimming the mustache and cutting the nails."