How do we know that Jesus is our Mediator as mentioned in the sermon?

The sermon explicitly states that Jesus Christ is the only mediator between God and humanity, as affirmed in 1 Timothy 2:5. This truth is foundational to the gospel of sovereign grace, emphasizing that no other name can provide salvation. This exclusive mediatorial role of Christ fulfills the requirements of divine justice and offers a refuge for sinners, assuring them that in Christ alone, their sins are dealt with effectively. Since He is both fully God and fully man, He bridges the gap created by sin.