Every social system is more or less against nature, and at every moment nature is at work to reclaim her rights.

The mere notion of photography, when we introduce it into our meditation on the genesis of historical knowledge and its true value, suggests the simple question: Could such and such a fact, as it is narrated here, have been photographed?

Just as water, gas, and electricity are brought into our houses from far off to satisfy our needs in response to a minimal effort, so we shall be supplied with visual or auditory images, which will appear and disappear at a simple movement of the hand, hardly more than a sign.

In most cases, when the lion, weary of obeying its master, has torn and devoured him, its nerves are pacified and it looks round for another master before whom to grovel.

History is the science of things which are not repeated.

Advertising has annihilated the power of the most powerful adjectives.

Great things are accomplished by those who do not feel the impotence of man. This is a precious gift.