Why is a good hope grounded in Scripture?

A good hope is grounded in Scripture as the inerrant Word of God serves as the definitive source of truth regarding His promises and character. Isaiah 8:20 emphasizes that if a message does not align with Scripture, it lacks light. Thus, believers must anchor their hope in the biblical narrative that proclaims salvation by grace through faith and God's unwavering commitment to His chosen people. By doing so, they are assured of a hope that endures, as Scripture assures them that they are secure in God's promises, which cannot fail.