How is salvation predestined according to the Bible?

The doctrine of predestination teaches that God, in His sovereignty, has chosen certain individuals to salvation before the foundation of the world. This is illustrated in 2 Thessalonians 2:13, where Paul affirms that God has chosen believers to salvation through sanctification of the Spirit and belief in the truth. This doctrine emphasizes that salvation is not based on human effort or merit but is entirely an act of God's grace and purpose. Romans 8:29-30 expounds on this further, showing the process from predestination to glorification, assuring believers that their salvation is secure in God’s eternal plan. Understanding predestination brings comfort and confidence in God’s unchanging purpose for His elect.