The Christian life is simply a process of having your natural self changed into a Christ self, and that this process goes on very far inside. One's most private wishes, one's point of view, are the things that have to be changed.
C. S. LewisAnd he writhed inside at what seemed the cruelty and unfairness of the demand. He had not yet learned that if you do one good deed your reward usually is to do another and harder and better one.
C. S. Lewis[S]omething inside us, the feeling of resentment, the feeling that wants to get one's own back, must be simply killed. I do not mean that anyone can decide this moment that he will never feel it anymore. That is not how things happen. I mean that every time it bobs its head up, day after day, year after year, all our lives long, we must hit it on the head. It is hard work, but the attempt is not impossible.
C. S. LewisNature does not teach. A true philosophy may sometimes validate an experience of nature; an experience of nature cannot validate a philosophy. Nature will not verify any theological or metaphysical proposition (or not in the manner we are now considering); she will help to show what it means.
C. S. Lewis