What does 'the Son of Man must' signify in Luke 9:22?

The phrase 'the Son of Man must' encapsulates the imperative nature of Jesus' mission. It implies that His suffering, rejection, death, and resurrection were not mere possibilities but necessary components ordained by the Father. This term underscores divine necessity in Christ’s plan, indicating that these events were predetermined in eternity for the redemption of His people. The use of 'must' reflects the unshakable truth of God's redemptive plan, woven throughout the Scriptures. Understanding this necessity allows believers to grasp the depth of God's grace and the profound significance of Christ fulfilling these requirements for our salvation.