I saw that evil was impotent—that evil was the irrational, the blind, the anti-real—and that the only weapon of its triumph was the willingness of the good to serve it.

That love is reverence, and worship, and glory, and the upward glance. Not a bandage for dirty sores. But they don’t know it. Those who speak of love most promiscuously are the ones who’ve never felt it. They make some sort of feeble stew out of sympathy, compassion, contempt, and general indifference, and they call it love. Once you’ve felt what it means to love as you and I know it – the total passion for the total height – you’re incapable of anything less.

The creator's concern is the conquest of nature. The parasite's concern is the conquest of men.

Ideas, in a free society, are not a crime- and neither can they serve as the justification of a crime.

He, too, stood looking at her for a moment - and it seemed to her that it was not a look of greeting after an absence, but the look of someone who had thought of her every day of that year. She could not be certain, it was only an instant, so brief that just as she caught it, he was turning.

In the temple of his spirit, each man is alone.

No man can use his brain to think for another.