What does it mean that salvation is in Christ alone?

The statement that salvation is in Christ alone underlines that His mediatorial work is essential for the salvation of believers. As stated in John 14:6, Jesus Himself claims, 'I am the way, the truth, and the life: no man cometh unto the Father, but by me.' This affirms that all believers share access to God's grace only through Christ's righteousness and His sacrifice. Salvation cannot be obtained through any other means or works, emphasizing the exclusivity of Christ’s atoning death and resurrection.