Qais bin Abad narrated that we said to Ammar (may Allah be pleased with him): What is your opinion about your fighting— is it an opinion that you have formed, for indeed an opinion can be wrong or right, or is it a covenant that the Messenger of Allah (peace and blessings be upon him) made with you? He replied: The Messenger of Allah (peace and blessings be upon him) did not make any such covenant with us that he did not make with all the other people.