How do we know that Christ must suffer and rise?

The necessity of Christ's suffering and resurrection is grounded in Scripture, as proclaimed by Paul. In Acts 17:3, Paul opens the Scriptures, asserting that Christ 'must needs have suffered and risen from the dead.' This necessity is further affirmed by Peter in Acts 2:23, emphasizing that Jesus was delivered up according to God's foreknowledge and plan. The fulfillment of Old Testament prophecies regarding the suffering Messiah demonstrates that God's sovereignty orchestrated the redemption plan through Jesus, ensuring that He would bear the sins of His people and secure their justification through His resurrection.