How do we know that Christ fulfills the law and the punishment for sin?

The fulfillment of the law and the bearing of sin's punishment in Christ is central to Reformed theology. The sermon illustrates this through the typology of the smitten rock and the tree cast into the bitter waters, which represent how Christ became a curse for us (Galatians 3:13). By fulfilling the law, He transforms our punishment into a source of life. In Exodus 15:25-26, the bitterness of the waters was made sweet through the tree, symbolizing how Christ's sacrifice at Calvary redeemed us from the curse of the law, allowing us to experience spiritual nourishment and healing as we partake in Him. This understanding reassures believers that the law points to Christ and that our salvation is solely dependent upon His grace.