Love is exclusivity, selection.

Life is an operation which is done in a forward direction. One lives toward the future, because to live consists inexorably in doing, in each individual life making itself.

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.

A revolution only lasts fifteen years, a period which coincides with the effectiveness of a generation.

Living is nothing more or less than doing one thing instead of another.

The common man, finding himself in a world so excellent, technically and socially, believes it has been produced by nature, and never thinks of the personal efforts of highly endowed individuals which the creation of this new world presupposed. Still less will he admit the notion that all these facilities still require the support of certain difficult human virtues, the least failure of which would cause the rapid disappearance of the whole magnificent edifice.

He who wishes to teach us a truth should not tell it to us, but simply suggest it with a brief gesture, a gesture which starts an ideal trajectory in the air along which we glide until we find ourselves at the feet of the new truth.