(1-7) Sons and Heirs
If we believe in Jesus the Christ, we are adopted by God as His sons and daughters. We are no longer a part of the family of sin, in which we were slaves. We are now a part of the family of salvation, in which we are free sons and daughters. As His children and as heirs, we know God personally. He hears us every time we call “Abba! Father!”
(8-20) Paul’s Concern for the Galatians
After being saved by grace through faith, Paul is concerned that the Galatians are turning back to old weak and worthless rituals that have nothing to do with Christ. Once we come to know God, and are known by God, we should not allow ourselves to become slaves to sin again. We ought to continue in grace and love, practicing what we know to be the truth of God.
(21-31) Example of Hagar and Sarah
Abraham had a son named Ishmael with Hagar, who was a slave woman. He also had a son named Isaac with Sarah, who was his wife and a free woman. Both sons could not inherit the promises that God had made to Abraham. Only Isaac inherited the promises of God as the son of a free woman. Similarly, we also inherit God’s promises because we are free in Christ. We are children of promise. We are not enslaved to sin by the law or good works.
Favorite verse: (7) So you are no longer a slave, but a son, and if a son, then an heir through God.