"M. Proudhon has the misfortune of being particularly misunderstood in Europe. In France, he has the right to be a bad economist, because he is reputed to be a good German philosopher. In Germany, he h…"

"Greek philosophy seems to have met with something with which a good tragedy is not supposed to meet, namely, a dull ending."

"The first step in the revolution by the working class is to raise the proletariat to the position of ruling class to win the battle of democracy."

"Philosophy stands in the same relation to the study of the actual world as masturbation to sexual love."

"The worker has an even greater need for capital than capital has for the worker."