“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.”

“It is, of course, quite true that God will not love you any less, or have less use for you, if you happen to have been born with a very second-rate brain.”

“But Ransom, as time wore on, became aware of another and more spiritual cause for his progressive lightening and exultation of heart. A nightmare, long engendered in the modern mind by the mythology that follows in the wake of science, was falling off him. He had read of 'Space': at the back of his thinking for years had lurked the dismal fancy of the black, cold vacuity, the utter deadness, which was supposed to separate the worlds. He had not known how much it affected him till now-now that the very name 'Space' seemed a blasphemous libel for this empyrean ocean of radiance in which they swam. He could not call it 'dead'; he felt life pouring into him from it every moment. How indeed should it be otherwise, since out of this ocean all the worlds and all their life had come? He had thought it barren: he now saw that it was the womb of worlds, whose blazing and innumerable offspring looked down nightly even upon the earth with so many eyes-and here, with how many more! No: Space was the wrong name.”

“When you argue 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.”

“God, who needs nothing, loves into existence wholly superfluous creatures in order that He may love and perfect them. He creates the universe, already foreseeing - or should we say "seeing"? there are no tenses in God - the buzzing cloud of flies about the cross, the flayed back pressed against the uneven stake, the nails driven through the mesial nerves, the repeated incipient suffocation as the body droops, the repeated torture of back and arms as it is time after time, for breath's sake, hitched up. If I may dare the biological image, God is a "host" who deliberately creates His own parasites; causes us to be that we may exploit and "take advantage of" Him. Herein is love. This is the diagram of Love Himself, the inventor of all loves.”

“The sane would do no good if they made themselves mad to help madmen.”

“I do not think there is a demonstrative proof (like Euclid) of Christianity, nor of the existence of matter, nor of the good will and honesty of my best and oldest friends. I think all three are (except perhaps the second) far more probable than the alternatives. The case for Christianity in general is well given by Chesterton…As to why God doesn't make it demonstratively clear; are we sure that He is even interested in the kind of Theism which would be a compelled logical assent to a conclusive argument? Are we interested in it in personal matters? I demand from my friend trust in my good faith which is certain without demonstrative proof. It wouldn't be confidence at all if he waited for rigorous proof. Hang it all, the very fairy-tales embody the truth. Othello believed in Desdemona's innocence when it was proved: but that was too late. Lear believed in Cordelia's love when it was proved: but that was too late. 'His praise is lost who stays till all commend.' The magnanimity, the generosity which will trust on a reasonable probability, is required of us. But supposing one believed and was wrong after all? Why, then you would have paid the universe a compliment it doesn't deserve. Your error would even so be more interesting and important than the reality. And yet how could that be? How could an idiotic universe have produced creatures whose mere dreams are so much stronger, better, subtler than itself?”

“This is where men, even the trustiest, fail us. Their heart is never so wholly given to any matter but that some trifle of a meal, or a drink, or a sleep, or a joke, or a girl, may come in between them and it, and then (even if you are a queen) you'll get no more good out of them until they've had their way.”

“until the theologians and the ordained clergy begin to communicate with ordinary people in the vernacular, in a way that they can understand, I’m going to have to do this sort of thing.”

“Need-love says of a woman, "I cannot live without her"; Gift-love longs to give her happiness, comfort, protection...appreciative love gazes and holds its breath and is silent, rejoices that such a wonder should exist even if not for him, will not be wholly dejected by losing her, would rather have it so than never to have seen her at all.”

“By the way, don't 'weep inwardly' and get a sore throat. If you must weep, weep: a good honest howl! I suspect we - and especially, my sex - don't cry enough now-a-days. Aeneas and Hector and Beowulf, Roland and Lancelot blubbered like schoolgirls, so why shouldn't we?”

“Love is the great conqueror of lust.”

“Friendship arises out of mere Companionship when two or more of the companions discover that they have in common some insight or interest or even taste which the others do not share and which, till that moment, each believed to be his own unique treasure (or burden). The typical expression of opening Friendship would be something like, "What? You too? I thought I was the only one."  ... It is when two such persons discover one another, when, whether with immense difficulties and semi-articulate fumblings or with what would seem to us amazing and elliptical speed, they share their vision - it is then that Friendship is born. And instantly they stand together in an immense solitude.”

“It is a good rule after reading a new book, never to allow yourself another new one till you have read an old one in between.”

“I have learned now that while those who speak about one's miseries usually hurt, those who keep silence hurt more.”