Nature is man's inorganic body -- that is to say, nature insofar as it is not the human body. Man lives from nature -- i.e., nature is his body -- and he must maintain a continuing dialogue with it is he is not to die. To say that man's physical and mental life is linked to nature simply means that nature is linked to itself, for man is a part of nature.

Art is always and everywhere the secret confession, and at the same time the immortal movement of its time.

To be radical is to grasp things by the root.

Democracy is the road to socialism.

Wages are determined by the bitter struggle between capitalist and worker.

History does nothing, possesses no enormous wealth, fights no battles. It is rather man, the real, living man, who does everything, possesses, fights. It is not History, as if she were a person apart, who uses men as a means to work out her purposes, but history itself is nothing but the activity of men pursuing their purposes.

Accumulate, accumulate! This is Moses and the Prophets!