Once, Sayyiduna Ali (may Allah be pleased with him) stood on the pulpit. While mentioning the Prophet (peace and blessings of Allah be upon him), he said that when the Prophet (peace and blessings of Allah be upon him) passed away, Sayyiduna Abu Bakr Siddiq (may Allah be pleased with him) was appointed as the caliph. He continued to act according to the way and conduct of the Prophet (peace and blessings of Allah be upon him) until Allah Almighty called him to Himself. Then Sayyiduna Umar Farooq (may Allah be pleased with him) was appointed as the caliph, and he continued to act according to the way and conduct of both of them until Allah Almighty called him to Himself.