Luther on Galatians

"As I have said, therefore, Paul is painting a picture of the whole of the Christian life in this passage: inwardly it is faith toward God, and outwardly it is love or works toward one's neighbor. Thus a man is a Christian in a total sense: inwardly through faith in the sight of God, who does not need our works; outwardly in the sight of men, who do not derive any benefit from faith but do derive benefit from works or from our love