But when God, who set me apart before I was born and who called me by his grace, was pleased

Because the Scripture saw ahead of time that God would justify the gentiles by faith, it announced the gospel to Abraham beforehand when it said, "Through you all nations will be blessed."

Now it is obvious that no one is justified in the sight of God by the Law, because "The righteous will live by faith."

Instead, he is placed under the care of guardians and servant managers until the time set by the father.

This is being said as an allegory, for these women represent two covenants. The one woman, Hagar, is from Mount Sinai, and her children are born into slavery.

The Messiah has set us free so that we may enjoy the benefits of freedom. So keep on standing firm in it, and stop putting yourselves under the yoke of slavery again.