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.
C. S. LewisIt's all love or sex these days. Friendship is almost as quaint and outdated a notion as chastity. Soon friends will be like the elves and the pixies - fabulous mythical creatures from a distant past.
C. S. LewisCan a mortal ask questions which God finds unanswerable? Quite easily, I should think. All nonsense questions are unanswerable. How many hours are in a mile? Is yellow square or round? Probably half the questions we ask - half our great theological and metaphysical problems - are like that.
C. S. LewisThere is a difficulty about disagreeing with God. He is the source from which all your reasoning power comes: you could not be right and he wrong any more than a stream can rise higher than its own source. When you are arguing against Him you are arguing against the very power that makes you able to argue at all: it is like cutting off the branch you are sitting on.
C. S. LewisWe are told that Christ was killed for us, that His death has washed out our sins, and that by dying He disabled death itself. That is the formula. That is Christianity. That is what has to be believed.
C. S. LewisYou never know how much you really believe anything until its truth of falsehood becomes a matter of life and death to you. It is easy to say you believe a rope to be strong and sound as long as you are merely using it to cord a box. But suppose you had to hang by that rope over a precipice. Wouldn't you then first discover how much you really trusted it?
C. S. Lewis