Ayn Rand, Atlas Shrugged

"You who prattle that morality is social and that man would need no morality on a desert island -- it is on a desert island that he would need it most. Let him try to claim, when there are no victims to pay for it, that a rock is a house, that sand is clothing, that food will drop into his mouth without cause or effort, that he will collect a harvest tomorrow by devouring his stock seed today -- and reality will wipe him out, as he deserves; reality will show him that life is a value to be bought and that thinking is the only coin noble enough to buy it.

"If I were to speak your kind of language, I would say that man's only commandment is: Thou shalt think. But a 'moral commandment' is a contradiction in terms. The moral is the chosen, not the forced; the understood, not the obeyed. Teh moral is the rational, and reason accepts no commandments.

"My morality, the morality of reason, is contained in a single axiom: existence exists -- and in a single choice: to live. The rest proceeds from these. To live, man must hold three things as the supreme and ruling values of his life: Reason -- Purpose -- Self-esteem. Reason, as his only tool of knowledge -- Purpose, as his choice of the happiness which that tool must proceed to achieve -- Self-esteem, as his inviolate certainty that his mind is competent to think and his person is wrothy of happiness, which means: is worthy of living. These three values imply and require all of man's virtues, and all his virtues pertain to the relation of existence and consciousness: rationality, independence, integrity, honor, justice, productiveness, pride.

[John Galt's address to the nation, Part III, Chapter VII, "This is John Galt Speaking"]

G.K. Chesterton, St. Francis of Assisi

There is a bias in man like the bias in the bowl; and Christianity was the discovery of how to correct the bias and therefore hit the mark. There are many who will smile at the saying; but it is profoundly true to say that the glad good news brought by the Gospel was the news of original sin.

[Chapter II, "The World St. Francis Found"]

C.S. Lewis, Mere Christianity

The sins of the flesh are bad, but they are the least bad of all sins. All the worst pleasures are purely spiritual: the pleasure of putting other people in the wrong, of bossing and patronising and spoiling sport, and back-biting; the pleasures of power, of hatred. For there are two things inside me, competing with the human self which I must try to become. They are the Animal self, and the Diabolical self. The Diabolical self is the worse of the two. That is why a cold, self-righteous prig who goes regularly to church may be far nearer to hell than a prostitute. But, of course, it is better to be neither.

[Book III, Chapter 5, "Sexual Morality"]

C.S. Lewis, Mere Christianity

People often think of Christian morality as a kind of bargain in which God says, "If you keep a lot of rules I'll reward you, and if you don't I'll do the other thing." I do not think that is the best way of looking at it. I would much rather say that every time you make a choice you are turning the central part of you, the part of you that chooses, into something a little different from what it was before. And taking your life as a whole, with all your innumerable choices, all your life long you are slowly turning this central thing either into a heavenly creature or into a hellish creature: either into a creature that is in harmony with God, and with other creatures, and with itself, or else into one that is in a state of war and hatred with God, and with its fellow-creatures, and with itself. To be the one kind of creature is heaven: that is, it is joy and peace and knowledge and power. To be the other means madness, horror, idiocy, rage, impotence, and eternal loneliness. Each of us at each moment is progressing to teh one state or the other.

[Book III, Chapter 4, "Morality and Psychoanalysis"]

G.K. Chesterton, Orthodoxy

To hope for all souls is imperative; and it is quite tenable that their salvation is inevitable. It is tenable, but it is not specially favourable to activity or progress. Our fighting and creative society ought rather to insist on the danger of everybody, on the fact that every man is hanging by a thread or clinging to a precipice. To say that all will be well anyhow is a comprehensible remark: but it cannot be called the blast of a trumpet. . . . To the Buddhist or the eastern fatalist existence is a science or a plan, which must end up in a certain way. But to a Christian existence is a story, which may end up in any way. In a thrilling novel (that purely Christian product) the hero is not eaten by cannibals; but it is essential to the existence of the thrill that he might be eaten by cannibals. The hero must (so to speak) be an eatable hero.

[Chapter VIII, "The Romance of Orthodoxy"]