Tafsir of Ash-Shu`ara' 26:28

23

That is, "You regard me as a mad person, but if you think you are wise people, you should yourself decide as to who is the real lord: this wretched Pharaoh who is ruling over a small piece of earth, or He Who is the Owner of the east and the west and of everything bounded by the east and the west including the land of Egypt. I believe in His sovereignty alone and have been sent to convey His message to a creature of His."