What does the Bible say about the significance of Jesus' last words?

In John 19:30, when Jesus said, 'It is finished,' He declared the completion of His mission on earth. This phrase encapsulates several profound truths: the fulfillment of Old Testament prophecies concerning the Messiah, the conclusion of His sufferings, the achievement of His redemptive purpose, and the satisfaction of divine justice. This declaration indicates that all required by the law was fully accomplished, and all conditions for the salvation of His people were met. Christ bore the sin of His people, fulfilling all that was written about Him and ushering in a new covenant where believers are considered righteous before God through faith in Him.