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

The foundation of Christian belief rests on the assertion that salvation can be found only in Jesus Christ. As the sinless Lamb of God, He willingly sacrificed Himself, ensuring the atonement for sin. Hebrews 10:14 stresses that 'by one offering he hath perfected for ever them that are sanctified,' highlighting the complete and sufficient nature of Christ's work. Furthermore, Acts 4:12 declares, 'Neither is there salvation in any other: for there is none other name under heaven given among men, whereby we must be saved.' This definitive statement informs us that no one else, be it individual efforts or any other deity, can bring about salvation. Christ's unique role as our Savior is affirmed through His perfect obedience, sacrificial death, and victorious resurrection, all of which are central to sovereign grace theology.