"From each according to his abilities, to each according to his needs."

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

"Religion is the sigh of the oppressed creature, the heart of a heartless world, and the soul of soulless conditions. It is the opium of the people."

"While the miser is merely a capitalist gone mad, the capitalist is a rational miser."

"The writer must earn money in order to be able to live and to write, but he must by no means live and write for the purpose of making money."

"The product of mental labor - science - always stands far below its value, because the labor-time necessary to reproduce it has no relation at all to the labor-time required for its original production."

"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."

"The writer may very well serve a movement of history as its mouthpiece, but he cannot of course create it."

"The English have all the material requisites for the revolution. What they lack is the spirit of generalization and revolutionary ardour."