A Messenger, so it is forbidden for him to do that, and it is forbidden for him to deviate from the law of the Messenger. This positive method required by wisdom has not appeared in any type of species except in the human type, especially because he was created in the image, so he finds within himself a divine power calling him to legislate interests. If someone other than him, namely the Messenger, legislates them, then he still supports him. He prepares the ground for his nation and what that Messenger has set for it, and makes clear to them what was hidden from them of his message due to their lack of understanding. And if he does not do that despite his ability to do it, he will remain in disgrace until the Day of Resurrection, as was stated in the case of the imam, if he prayed knowing that there would be someone behind him who was more deserving of the Imamate than him, but he did not advance him and no one preceded him. He will remain in disrepair until the Day of Resurrect