Affirming the Divine Attribute of Light:

He continued: It is mandatory for every believer—both the learned and the lay—to accept everything that has been transmitted from the Prophet ﷺ through an unbroken chain of trustworthy narrators all the way back to him. Among the matters that Allah has related to us in His Book, by which He described Himself, and that the Sunnah has authenticated, is His statement: “Allah is the Light of the heavens and the earth.” Immediately thereafter He says: “Light upon light” (24:35). In the same words the Messenger ﷺ called upon Him: “You are the Light of the heavens and the earth.”

He then cited the hadith of Abu Musa: “His veil is light—or fire; were He to lift it, the radiance of His Face would burn everything His gaze reaches among His creation.” And he said: “The radiance of His Face…”