How do we know that all saints are chosen by God?

Ephesians 1:4-5 teaches that God chose us in Christ before the foundation of the world, illustrating His sovereign choice and grace. This concept is deeply rooted in sovereign grace theology, emphasizing that our status as saints is not based on our actions but on God's electing love. The assurance that those He chose are secure in Him is expressed in 2 Timothy 1:9, where Paul writes that God 'has saved us and called us with a holy calling, not according to our works, but according to His own purpose and grace.' Thus, our identity as saints hinges on His initiative and not our merit.