"Let fools seek it. They shall win it not. For although my treasure house be empty as air, no deadly creature in rocky lair, no sentinel outside anywhere, no pitfall, poison, trap, or snare, above and below the whole place bare, of demon or devil not a hair, no serpent lethal-fanged yet fair, no skull with mortal eye a-glare, yet have I left a guardian there. Let the wise read this riddle and forbear."

“But oh, this lifelong servitude to girls—whimsical, innocent, calculating, icicle-eyed and hearted, fleeting, tripping little demons! White, slim-necked, sharp-toothed, restlessly bobbing weasels with the soulful eyes of lemurs!”

“Girls had a way of blotting out all lesser, but not thereby despicable, delights. Girls were for dessert.”

“Then he was running not so much away from the cold and its crippling, supernatural horrors, as toward civilization, which was once again a bright emblem in his brain, an answer to all small-mindedness.”

“They’ve heard about space but they still don’t believe in it. They haven’t been out here to see for themselves that there isn’t any giant elephant under the earth, holding it up, and a giant tortoise holding up the elephant. If I say “planet” and “spaceship” to them, they still think “horoscope” and “flying saucer”.”

“In the wake of a Big Change, cultures and individuals are transposed, it’s true, yet in the main they continue much as they were, except for the usual scattering of unfortunate but statistically meaningless accidents.”

“Lieber, Fritz" at The Encyclopedia of Science Fiction”