As the leaven, when mingled with the meal, works from within outward, so it is by the renewing of the heart that the grace of God works to transform the life. No mere external change is sufficient to bring us into harmony with God. There are many who try to reform by correcting this or that bad habit, and they hope in this way to become Christians, but they are beginning in the wrong place. Our first work is with the heart. (COL 97.1) MC VC

A profession of faith and the possession of truth in the soul are two different things. The mere knowledge of truth is not enough. We may possess this, but the tenor of our thoughts may not be changed. The heart must be converted and sanctified. (COL 97.2) MC VC

The man who attempts to keep the commandments of God from a sense of obligation merely—because he is required to do so—will never enter into the joy of obedience. He does not obey. When the requirements of God are accounted a burden because they cut across human inclination, we may know that the life is not a Christian life. True obedience is the outworking of a principle within. It springs from the love of righteousness, the love of the law of God. The essence of all righteousness is loyalty to our Redeemer. This will lead us to do right because it is right—because right doing is pleasing to God. (COL 97) MC VC