How do we know that God chooses individuals for His purpose?

God's sovereign choice of individuals can be seen in Scripture through the repeated use of terms like 'a certain man.' For example, in John 5:1-9, Jesus focuses on a 'certain man' among a multitude, healing him specifically, which underscores the idea that God selects individuals for His divine purposes. This concept is rooted in the doctrine of election, which emphasizes that God chooses individuals before the foundation of the world for salvation (Ephesians 1:4). Throughout biblical narrative, such as the call of Abraham and the selection of David, God’s choice is always intentional and reflects His sovereign will.