and now, Moses and Elijah appeared to them, speaking with Jesus.
In this passage Moses and Elijah appear with Jesus in glory, bearing witness to his messianic calling. Comparing with other verses, Moses represents the Law (John 1:17, Luke 24:44), and Elijah represents prophecy (Malachi 4:5, Luke 1:17), and together they symbolize the fullness of the Old Covenant, which is now confirmed in Christ. Their appearance shows that Jesus is not opposed to the Old Covenant, but fulfills it. Their conversation with Jesus, according to the Gospel of Luke (Luke 9:31), concerned his coming suffering, death, and saving work, which testifies that the way of Christ’s cross is God’s predestined plan. This vision gives the disciples confidence that Jesus’ path—the way of suffering and glory—is at the very center of the divine will.