Galatians 4:21-31, Paul challenges those who want to be under the Law,

Galatians 4:21-31 is a passage in which the Apostle Paul uses the story of Abraham's two sons—Isaac, the son of the freewoman (Sarah), and Ishmael, the son of the bondwoman (Hagar)—to illustrate a theological point about the relationship between the Law and the promise of salvation through faith in Christ.