not make promises in order to break them. He has never annulled or modified His will. We are now ready to consider verse 17: This, Paul continues, is what I mean: the law, which came four hundred and thirty years afterward, does not annul a covenant previously ratified by God, so as to make the promise void. If the Judaizers were right, our Christian inheritance (justification) is given to those who keep the law; and if it is ‘by the law, it is no longer by promise’, because you cannot have it both