Jesus interprets the Law
17 "Do not suppose that I came to destroy the Law or the Prophets; I did not come to destroy but to fulfill. 18 For assuredly I say to you, until heaven and earth pass away, not one iota nor one tittle shall pass away from the Law until everything happens.The Lord here makes an impressively strong statement about the preservation through time of the precise form of the Sacred Text. Since our only access to the meaning is through the form, any alteration in the form will alter the meaning. One of the most effective ways of annulling a commandment is to corrupt the Text—something Satan understands quite well.