“If conversion to Christianity makes no improvement in a man's outward actions – if he continues to be just a snobbish or spiteful or envious or ambitious as he was before – then I think we must suspect that his 'conversion' was largely imaginary; and after one's original conversion, every time one thinks one has made an advance, that is the test to apply. Fine feelings, new insights, greater interest in 'religion' mean nothing unless they make our actual behavior better; just as in an illness 'feeling better' is not much good if the thermometer shows that your temperature is still going up. In that sense the outer world is quite right to judge Christianity by its results. Christ told us to judge by results. A tree is known by its fruit; or, as we say, the proof of the pudding is in the eating. When we Christians behave badly, or fail to behave well, we are making Christianity unbelievable to the outside world. The war-time posters told us that Careless Talk costs Lives. It is equally true that Careless Lives cost Talk. Our careless lives set the outer world taking; and we give them grounds for talking in a way that throws doubt on the truth of Christianity itself.”

“That is why Christians are told not to judge. We see only the results which a man's choices make out of his raw material. But God does not judge him on the raw material at all, but on what he has done with it.”

“Now the whole offer which Christianity makes is this: that we can, if we let God have His way, come to share in the life of Christ. If we do, we shall then be sharing a life which was begotten, not made, which always existed and always will exist. Christ is the Son of God. If we share in this kind of life we also shall be sons of God. We shall love the Father as He does and the Holy Ghost will arise in us. He came to this world and became a man in order to spread to other men the kind of life He has — by what I call "good infection." Every Christian is to become a little Christ. The whole purpose of becoming a Christian is simply nothing else.”

“There is one vice of which no man in the world is free; which every one in the world loathes when he sees it in someone else; and of which hardly any people, except Christians, ever imagine that they are guilty themselves. […] There is no fault which makes a man more unpopular, and no fault which we are more unconscious of in ourselves.[…]The vice I am talking of is Pride or Self-Conceit: and the virtue opposite to it, in Christian morals, is called Humility.”

“The Christian does not think God will love us because we are good, but that God will make us good because He loves us.”

“Q. What is your view of the daily discipline of the Christian life - the need for taking time to be alone with God?Lewis: "We have our New Testament regimental orders upon the subject. I would take it for granted that everyone who becomes a Christian would undertake this practice. It is enjoined upon us by Our Lord; and since they are his commands, I believe in following them. It is always just possible that Jesus Christ meant what he said when He told us to seek the secret place and to close the door.”

“Hope is one of the Theological virtues. This means that a continual looking forward to the eternal world is not (as some modern people think) a form of escapism or wishful thinking, but one of the things a Christian is meant to do. It does not mean that we are to leave the present world as it is. If you read history you will find that the Christians who did most for the present world were just those who thought most of the next.”