Paul appeals to the Galatians not to follow the zealous Jewish teachers. He reminds them of their care and honour for him when he was with them even though he was ill. Paul uses the Old testament story of Ishmael and Isaac to illustrate that the Galatians belonged to the new covenant, not the old.

Paul continues to explain that the covenant made with Abraham is the foundation of faith whereas the Law of Moses has become obsolete. He explains the importance of the Law to highlight sin that separates us from God. Now all are equal in God’s sight if they have faith in Jesus.

Paul challenges the Galatians to remember the gospel of justification by faith in Jesus that he preached to them. He reminds them of their forefather Abraham who came before Moses and had faith

Paul uses several stories form the Old Testament to illustrate God’s choices which divided the nation right from the beginning. God chooses to show mercy to some and also chooses who to use for his purposes.

Paul explains how Abraham is an example of faith for every believer, Jew or Gentile. Justification is by faith is not just a beginning but a continuing process that goes on through life. Circumcision is a symbol - it does not save.

Paul continues to develop his explanation of 'justification by faith alone. he recounts the story of Isaac and the simple trust Abraham showed through all the difficulties and circumstances he faced.