The entire so-called history of the world is nothing but the creation of man through human labor.

Society is a sort of organism on the growth of which conscious efforts can exercise little effect.

Life is not determined by consciousness, but consciousness by life.

To be radical is to grasp things by the root.

Perseus wore a magic cap that the monsters he hunted down might not see him. We draw the magic cap down over eyes and ears as a make-believe that there are no monsters.

All social life is essentially practical. All mysterious which lead theory to mysticism find their rational solution in human practice and in the comprehension of the practice.

The more the division of labor and the application of machinery extend, the more does competition extend among the workers, the more do their wages shrink together.