No matter how lost a person is, they still draw on their body. So the body would be more like the motor.
Dallas WillardSpiritual formation for the Christian basically refers to the Spirit-driven process of forming the inner world of the human self in such a way that it becomes like the inner being of Christ himself.
Dallas WillardDallas Willard warns us too of the "cost of non-discipleship." We may be able to live with some pain, but when our whole self becomes more and more rotten, the cost is far greater than dealing with the problem as soon as possible. This is why I think following Jesus, though challenging, is much easier than following anything else. The world has nothing better to offer me. Jesus has come to right my wrongs and to make me refreshingly new.
Dallas WillardTheology is just what you really think about God, and if you're going to do that, you'd better use your mind and not just let it be a receptacle - a catch-all for whatever beliefs happen to be passing by.
Dallas Willard