“Once in grace, always in grace.” “Once saved, always saved.” “Eternal security.” These three phrases all refer to the same idea, namely, that once a person has truly become saved, he or she can never become unsaved. Once you are saved, you can never lose your salvation. The first person to teach this doctrine was Augustine (d. A.D. 430). He said, for example, “But now to the saints predestined to the kingdom of God by God’s grace, … perseverance itself is bestowed; … so that by means of this gift they cannot help persevering” (“Treatise on Rebuke and Grace,” Works, … Continue reading →