Why is the doctrine of adoption important for Christians?

The doctrine of adoption holds profound significance in the life of a believer because it encapsulates the essence of grace and the believer's new identity in Christ. By being adopted into God's family, believers gain a personal relationship with Him, receiving not only the status of children but also the privileges that come with it, like being heirs according to the promise (Galatians 4:7). This doctrine empowers believers to live in freedom from the law's curse and fosters a deep sense of belonging and security in their faith journey, knowing they are loved and accepted by their Heavenly Father.