How do we know that eternal life is for true believers?

The assurance of eternal life for true believers is rooted in the covenantal promises of Scripture. John 3:16 clearly outlines that those who believe in Christ shall not perish but have everlasting life. This promise encompasses not just a future hope but assures believers of their current standing in grace. The Scripture further clarifies that this belief is not merely intellectual assent but a transformative faith that results in a life surrendered to Christ, marking true discipleship and the receipt of God's promises, including eternal life.