I think that a society cannot live without a certain number of irrational beliefs. They are protected from criticism and analysis because they are irrational.

Enthusiastic partisans of the idea of progress are in danger of failing to recognize the immense riches accumulated by the human race. By underrating the achievements of the past, they devalue all those which still remain to be accomplished.

Language is a form of human reason, which has its internal logic of which man knows nothing.

The world began without man, and it will complete itself without him.

Animals are good to think with.

Scientific knowledge advances haltingly and is stimulated by contention and doubt.

[Photography] remains servile to a thoughtless vision of the world... As the term snapshot suggests, photography seizes the moment and exhibits it.