Galatians 3:6

As it is written: Abraham believed God, and it was reputed to him unto justice. See Romans iv. 3. They only who imitate the faith of Abraham shall be blessed with him, and are his spiritual children, whether Jews or Gentiles, whom God promised to bless by the seed of Abraham; i.e. by Christ, who descended from Abraham. (Witham) --- The apostle thus argues with the Galatians; Abraham, who was never under the law, still received the grace of justification in reward of his faith, even before he had received circumcision. Now, if a person can be justified without the law, the law can be no ways necessary to salvation. (Calmet)