Muhammad ibn al-Hasan al-Saffar, from al-Sindi ibn al-Rabi, from Abu Abdullah Muhammad ibn Khalid, from Abu al-Bakhtari, from Imam Ja'far al-Sadiq عليه السلام, from his father عليه السلام, who said: Imam عليه السلام said: “Imam Ali عليه السلام, peace be upon him, said: ‘Fighting is of two kinds: fighting against the people of polytheism, from whom one does not withdraw until they accept Islam or pay the jizyah (per-capita poll tax) by hand while they are humbled; And fighting against the people of deviation, from whom one does not withdraw until they return to the command of Allah سبحانه وتعالى, or are killed."