Ephesians 1 discusses the human relationship with God and the blessings that come with faith. The chapter focuses on God's plan for redemption, including the sacrifice of Jesus Christ and the ultimate goal of uniting all things in heaven and on earth. It also emphasizes the blessings that believers receive from God, including spiritual wisdom, enlightenment, and the assurance of eternal life. By embracing these blessings and living a life of faith, believers can walk in the path of righteousness and experience the fullness of God's grace and mercy.