And when he mentioned his Imamate, he mentioned what one is led by in it, which is the reason for his selection and righteousness, and that is his religion. And what he, peace be upon him, advised his sons, and what his sons advised their descendants, especially Jacob, peace be upon him, who is mentioned in relation to the people of the Book. He said: "When" meaning: We selected him with Our greatness because his Lord said to him: "Submit" meaning: for the kindness of your Lord towards you. And the object was omitted so that it encompasses everything that can be validly submitted to the one to whom it is submitted, and he restricted it to him, and the Muslim abandoned it. He said: "I have submitted to the Lord of the worlds" meaning: the One who is kind to me and to all of creation.