The typical American believes that no necessity of the soul is free and that there are precious few, if any, which cannot be bought.

Any euphemism ceases to be euphemistic after a time and the true meaning begins to show through. It's a losing game, but we keep on trying.

Love is ...not a fact in nature of which we become aware, but rather a creation of the human imagination.

To those who study her, Nature reveals herself as extraordinarily fertile and ingenious in devising means, but she has no ends which the human mind has been able to discover or comprehend.

We have not merely escaped from something but into something... We have joined the greatest of all communities, which is not that of man alone but of everything which shares with us the great adventure of being alive.

Civilizations die from philosophical calm, irony, and a sense of fair play quite as surely as they die of debauchery.

Poetry, mythology, and religion represent the world as man would like to have it, while science represents the world as he gradually comes to discover it.