Old Testament saints could not comprehend the future church. They could not conceive of a united body formed with both Jews and Gentiles.
You were a citizen of the kingdom here on earth, and the devil was your king, but not anymore. Your citizenship is in heaven, and Christ is your King.
Jesus said, “I did not come to bring peace, but a sword.” Jesus Christ was and is the dividing line that separates all of humanity.
Though the gulf between them was wide and deep, the gospel of Jesus Christ united the Jews and Gentiles in the early church.
If not Christ, then how can we be saved? The law provides little more than retribution, but Christ gives eternal life.