How do we know God's sovereign predestination is true?

The doctrine of sovereign predestination is rooted in Scripture, where it is detailed that God's elect are chosen before the foundation of the world. In Ephesians 1:4-5, we see that believers are chosen 'in Him before the foundation of the world' to be holy and blameless. This predestination is part of God's sovereign will, ensuring that His purpose in salvation is fulfilled. Throughout the Bible, from Romans 8:28-30 to 2 Timothy 1:9, God’s sovereignty is a recurring theme, affirming that it is He who orchestrates salvation according to His divine plan. Therefore, as Reformed believers, we find great assurance and comfort in the truth of predestination, knowing it is not dependent on our merit but solely grounded in the grace and mercy of God.