How do we know that salvation comes only through Jesus Christ?

The exclusive nature of salvation through Jesus Christ is a foundational truth in scripture, firmly established in Acts 4:12, which declares that 'there is salvation in no one else, for there is no other name under heaven given among men by which we must be saved.' The apostle Peter emphasizes that Christ's sacrificial death and resurrection are vital for our redemption, encapsulating the essence of the Gospel. The name of Jesus embodies the full authority of the Son of God, whose redemptive work fulfills Old Testament prophecies, affirming Him as the Messiah. Furthermore, this doctrine is echoed across the New Testament, including John 14:6, where Christ Himself declares, 'I am the way, the truth, and the life. No one comes to the Father except through me.' This underlines the necessity of personal faith in Christ alone for salvation, as Ephesians 2:8-9 articulates, emphasizing grace alone by faith alone without works.