How do we know that salvation is a gift from God's grace?

The doctrine of salvation by grace is foundational in the Reformed tradition. Ephesians 2:8-9 clearly states, 'For by grace are you saved through faith; and that not of yourselves: it is the gift of God: not of works, lest any man should boast.' This reflects that salvation is entirely a result of God's unmerited favor, emphasizing His mercy rather than our own efforts. Additionally, Ephesians 1:7 mentions that we have redemption through His blood, again highlighting that our salvation is rooted in God's rich grace and not our righteousness.