How do we know the true Jesus is the only Savior?

Scripture clearly delineates Jesus Christ as the sole Savior of humanity, fulfilling the righteousness demanded by God. In Revelation 5:5, He is depicted as the Lion of the tribe of Judah, who has prevailed to open the book sealed with seven seals. Jesus's perfect obedience to the Father and His atoning sacrifice on the cross demonstrate that He alone satisfies God's justice. God the Father has declared Him to be His beloved Son in whom He is well pleased (Matthew 3:17), making Jesus the only valid object of faith for salvation. Believers are accepted in the Beloved, not due to their own works but because of Christ's completed work.