Why is it important to understand that salvation is eternal?

Recognizing salvation as eternal is crucial for believers because it highlights the permanence of God's grace and the assurance He gives to His elect. Salvation is described as having no beginning and no end, rooted in God's eternal decree (Hebrews 5:9). This concept provides comfort to Christians, affirming that their relationship with God is secure and based on His covenant promises. Furthermore, it reflects the glory of God's sovereignty in redemption, showcasing that He is the Author of their salvation and ensures its fulfillment throughout eternity.