What is simple is wrong, and what is complicated cannot be understood.

That which has been believed by everyone, always and everywhere, has every chance of being false.

History is the science of things which are not repeated.

The dog has made man their God, if the dog was an atheist, it would be perfect.

You have certainly observed the curious fact that a given word which is perfectly clear when you hear it or use it in everyday language, and which does not give rise to any difficulty when it is engaged in the rapid movement of an ordinary sentence becomes magically embarrassing, introduces a strange resistance, frustrates any effort at definition as soon as you take it out of circulation to examine it separately and look for its meaning after taking away its instantaneous function.

Thanks to photography, the eye grew accustomed to anticipate what it should see and to see it; and it learned not to see nonexistent things which, hitherto, it had seen so clearly.

Two dangers constantly threaten the world: order and disorder.