In previous articles, we explored the Beatitudes and the Similitudes—Jesus’ metaphors of His followers being the salt of the earth and the light of the world. A notable shift occurs in how He addresses His audience. The Beatitudes are expressed in the third person: “Blessed are those…” But when Jesus transitions to the Similitudes, He turns to the second person: “You are the salt… you are the light.” Now, in the verses that follow, Jesus speaks in the first person—“I say to you”—asserting an unmistakable authority.
This shift signals something significant. When Jesus declares, “Do not think that I came to abolish the Law or the Prophets; I did not come to abolish but to fulfill,” He confronts a common misconception. Many believe that with the New Testament, the requirements of the Law have been set aside. Yet, Christ does not nullify the Law; He brings it to its intended fulfillment. His perfect life embodies the Law’s moral and ethical vision. Paradoxically, the religious leaders of the day, especially the Pharisees, had diminished the Law’s depth. They minimized its commandments and expanded its allowances, turning divine instruction into legalistic formalism.
In Matthew 5:18, Jesus underscores the lasting authority of the Law: “Truly I say to you, until heaven and earth pass away, not the smallest letter or stroke shall pass away from the Law until all is accomplished.” Every detail—down to the smallest pen stroke—will be fulfilled. The Law, as the revelation of God’s moral standards, remains binding until the consummation of all things. Only when this present heaven and earth pass away will the written Law be retired. In the new heavens and new earth of Revelation 21 and 22, the Law will be fully internalized within us. Indeed, this internal transformation has already begun under the new covenant, as God places His Law within our hearts through His Spirit.
The relevance of the commandments lies not in their mere legality, but in what they reveal about Jesus. He fulfills the Law doctrinally—He is the substance of what the Law points toward. He fulfills the prophetic witness—He is the long-awaited Messiah. And He fulfills the Law ethically—living in absolute purity. The nature of the Law is not only external conformity but internal transformation, and Jesus embodies that perfectly.
This brings us to the prophetic vision in Jeremiah 31:31–34. The Lord declares a new covenant—not like the one forged at Sinai, which Israel broke—but one in which God’s Law is written on hearts, not just tablets. “‘I will be their God, and they shall be My people… for they shall all know Me, from the least of them to the greatest,’ declares the Lord, ‘for I will forgive their iniquity, and their sin I will remember no more.’” In this new covenant, relational knowledge of God replaces mere ritual observance. The Law is no longer an external code but becomes internalized through intimacy with God.