And when he forbade him, he commanded him, saying: "So when We have recited it." This means that Gabriel, blessings and peace be upon him, was able to convey it to you as we have carried it to him, according to our greatness and in accordance with it. "So follow" means with all your effort by listening attentively and bringing your mind to it. "His Quran" means his recitation, gathered according to what our Messenger conveyed to you, and we have gathered it for you in your heart. And he repeated its recitation until it becomes for you a great habit. Act by it until it becomes your nature, and it will be your guide to all good. The pronoun may refer to the Quran, meaning the Quran here signifies the recitation, expressed in this way to glorify it. That is, follow the recitation of the Quran, meaning the recitation of Gabriel, blessings and peace be upon him. And if it were at his door, it would not be prohibited, for the intended meaning is specific, while the pronoun is general. And it is possible that the pronoun refers to Gabriel, blessings and peace be upon him, meaning follow his recitation and do not correspond with him.