" The pursuit of holiness requires sustained and vigorous effort. It allows for no indolence, no lethargy, no halfhearted commitment, and no laissez faire attitude toward even the smallest sins. In short, it demands the highest priority in the life of a Christian, because to be holy is to be like Christ — God’s goal for every Christian. "

― Jerry Bridges , The Discipline of Grace: God's Role and Our Role in the Pursuit of Holiness