The obligation is a bondage of necessity, because the disobedience is fulfilled by his action or omission, and anything else is a bondage of choice, but he has the choice to enter into it from the beginning, so if he enters into it according to us, the rules of bondage of necessity are binding on him, and it is necessary for him to deviate from its rule until he finishes that worship, and this is why when he said to him, should he do anything else? He, peace be upon him, said to him: It does not mean that God has not imposed on you, starting with Him, except what I have mentioned to you, unless you volunteer, unless you embark on similar acts of what the Truth desires you to do. If you volunteered and entered into it, you must fulfill it as it is obligatory in the obligations of individuals. This is the meaning of his saying, “No, except that.” Voluntary, so you must do what you have made obligatory upon yourself. In this section, vows and others like them are included. God Almigh