"...we know that a person is not justified by works of the law but through faith in Jesus Christ, so we also have believed in Christ Jesus, in order to be justified by faith in Christ and not by works of the law, because by works of the law no one will be justified." (Galatians 2:16 ESV) Because of the fundamental nature of faith... it is natural to find that in the New Testament faith, as the reception of a free gift, is placed in sharpest contrast with any intrusion of human merit; it is natural to find that faith is sharply contrasted with works. The contrast is really implied by the New Testament throughout, and in one book, the Epistle to the Galatians, it forms the express subject of the argument. That book from beginning to end is a mighty polemic in defense of the doctrine of justification by faith alone; and as such it has rightly been called the Magna Charta of Christian liberty. At the beginning of the sixteenth century the world was lying in darkness...