How do we know the mysteries of God?

The mysteries of God encompass divine truths that humans could never discern on their own but are revealed through His Word. As stated in Ephesians 1:9, God has made known the mystery of His will to us. This revelation includes understanding the nature of God, the purpose of salvation, and the union of believers with Christ. Notably, Paul emphasizes that these truths surpass human comprehension and underscore God's grace and sovereignty. For instance, understanding justification by faith, the Trinity, and the eternal union with Christ are all aspects of these glorious mysteries made known through His revelation to us.