The word God gives to Moses is not to be added to or have anything taken away from it (12:32; cf. Rev. 22:18–19). God will confirm his true prophets with accompanying “miraculous signs or wonders” (13:1 NIV 1984). The message of these prophets must also be in accord with what God has previously revealed (13:2–5). In the last days false prophets will come who can produce miraculous signs, but their teaching will not be in harmony with what God has previously taught (Matt. 24:23…
Baker Publishing Group, The Baker Illustrated Bible Commentary, by Gary M. Burge