Woe is me, for I am undone! Because I am a man of unclean lips… —Isaiah 6:5

When I come into the very presence of God, I do not realize that I am a sinner in an indefinite sense, but I suddenly realize and the focus of my attention is directed toward the concentration of sin in a particular area of my life. A person will easily say, “Oh yes, I know I am a sinner,” but when he comes into the presence of God he cannot get away with such a broad and indefinite statement. Our conviction is focused on our specific sin, and we realize, as Isaiah did, what we re...