When God calls a person to salvation, He calls them to new life in Christ. Besides leaving our lives of sin, one of the most important aspects of being a new creation is that of transforming our minds-learning to think differently, as a child of God. After becoming born of the Spirit, we must learn to "set our] minds on things above, not on earthly things" (Colossians 3.2). It involves a total retraining of our ways of thinking so that we leave the...