About The Law*
Matthew 5:17-20 stands as the hinge of the Sermon on the Mount, governing everything Jesus says in the six antitheses that follow (5:21-48). Having just described the character of kingdom citizens in the Beatitudes and their calling as salt and light, Jesus turns to a live question: does his kingdom teaching set aside the Law and the Prophets, the whole of Old Testament revelation? His answer is emphatic. He has not come to abolish ( kataluo , to tear down or annul) but to fulfill ( pleroo , to fill up, bring to completion) them. That word "fulfill" carries several senses at once, and Reformed interpreters have generally read them together rather than choosing among them. Jesus fulfills the Law and the Prophets by bringing their predictive and typological trajectory to its intended goal—the sacrifices, priesthood, feasts, and covenant promises all find their substance in him. He fulfills the moral law by rendering the perfect obedience Israel, and Adam before her, failed ...