Sayyiduna Jabir (may Allah be pleased with him) narrates: Once the Prophet Muhammad (peace and blessings be upon him) was riding a horse in Madinah Munawwarah, and he was injured by a date-palm trunk, as a result of which his foot was hurt. He stayed in the house of Sayyidah Aisha (may Allah be pleased with her). We came to visit him and found him performing voluntary prayers while sitting. We stood behind him and prayed. Then, when we came to him (on another occasion), he was performing an obligatory prayer. We stood behind him, so he gestured to us to sit down. When the Prophet (peace and blessings be upon him) completed the prayer, he said: "Follow the Imam. When he performs the prayer sitting, then you also perform the prayer sitting, and when he performs the prayer standing, then you also perform the prayer standing. Do not behave in the manner that the people of Persia do for their elders."