When humans should have become as perfect in voluntary obedience as the inanimate creation is in its lifeless obedience, then they will put on its glory, or rather that greater glory of which Nature is only the first sketch.
Until you have given up your self to Him you will not have a real self.
Source: Mere Christianity
Authority exercised with humility, and obedience accepted with delight are the very lines along which our spirits live.
The full acting out of the self's surrender to God therefore demands pain: this action, to be perfect, must be done from the pure will to obey, in the absence, or in the teeth, of inclination".