How do we know the gospel is powerful for salvation?

The strength of the gospel is rooted in the person of Jesus Christ, who is the embodiment of God's truth and salvation. In Colossians 2:3, Paul emphasizes that in Christ are hidden all the treasures of wisdom and knowledge. This assurance gives believers confidence that the gospel is not just a set of principles or teachings, but a transformative relationship with the Savior. Through faith in Christ, believers receive comfort, love, and the fullness of God's riches, which keeps them anchored in their faith amidst trials and adversities.