What does the Bible say about the necessity of Christ's death and resurrection?

The necessity of Christ's death and resurrection is central to the gospel according to the Scriptures. Jesus Himself stated that He must go to Jerusalem, suffer, die, and be raised again on the third day (Matthew 16:21). This plan was not only the best way but the only way for God to redeem His people from their sins. Through His death, Christ satisfied the justice of God and provided a righteousness for us, essential for our salvation. Without His resurrection, we would not have assurance that our sins had been fully dealt with and that we can have eternal life through faith in Him.