D. L. Moody once heard Henry Varley say, "The world has yet to see what God will do with a man fully consecrated to Him. Moody was struck to his soul and, when the words would not leave him, responded, 'By God's help, I aim to be that man.'" When God called Avery to follow him as a true disciple, Avery knew he must make a similar commitment or remain a mediocre Christian for the rest of his life. His surrender and his filling of the Spirit initiated...