Whoever has not felt the danger of our times palpitating under his hand, has not really penetrated to the vitals of destiny, he has merely pricked the surface.

We cannot put off living until we are ready. The most salient characteristic of life is its urgency, 'here and now' without any possible postponement. Life is fired at us point-blank.

Effort is only effort when it begins to hurt.

The hunter is the alert man. But this itself-life as complete alertness-is the attitude in which the animal exists in the jungle.

The person portrayed and the portrait are two entirely different things.

The librarian's mission should be, not like up to now, a mere handling of the book as an object, but rather a know how (mise au point) of the book as a vital function.

An idea is a putting truth in check-mate.