“Philosophy stands in the same relation to the study of the actual world as masturbation to sexual love.”
“Capital is dead labor, that vampire-like, only lives by sucking living labor, and lives the more, the more labor it sucks.”
“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.”
“Capital is money, capital is commodities. By virtue of it being value, it has acquired the occult ability to add value to itself. It brings forth living offspring, or, at the least, lays golden eggs.”
“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 Tories in England long imagined that they were enthusiastic about monarchy, the church, and the beauties of the old English Constitution, until the day of danger wrung from them the confession that they are enthusiastic only about ground rent.”
“Mankind always sets itself only such tasks as it can solve; since, looking at the matter more closely, we will always find that the task itself arises only when the material conditions necessary for its solution already exist or are at least in the process of formation.”
“All I know is I'm not a Marxist.”
“Religion is the opium of the masses.”
“Medicine heals doubts as well as diseases.”
“The only antidote to mental suffering is physical pain.”
“A specter is haunting Europe -- the specter of communism.”
“Nothing can have value without being an object of utility.”
“Landlords, like all other men, love to reap where they never sowed.”
“Experience praises the most happy the one who made the most people happy.”
“The production of too many useful things results in too many useless people.”
“The history of all hitherto existing society is the history of class struggles.”
“While the miser is merely a capitalist gone mad, the capitalist is a rational miser.”
“Necessity is blind until it becomes conscious. Freedom is the consciousness of necessity.”
“The worker of the world has nothing to lose, but their chains, workers of the world unite.”
“The theory of the Communists may be summed up in the single sentence: Abolition of private property.”
“The philosophers have only interpreted the world in various ways; the point, however, is to change it.”
“The writer may very well serve a movement of history as its mouthpiece, but he cannot of course create it.”
“Machines were, it may be said, the weapon employed by the capitalists to quell the revolt of specialized labor.”
“In bourgeois society capital is independent and has individuality, while the living person is dependent and has no individuality.”
“Society does not consist of individuals but expresses the sum of interrelations, the relations within which these individuals stand.”
“Let the ruling classes tremble at a Communist revolution. The proletarians have nothing to lose, but their chains. .Workers of the world unite!”
“All social rules and all relations between individuals are eroded by a cash economy, avarice drags Pluto himself out of the bowels of the earth.”
“From the outset, the Christian was the theorizing Jew, the Jew is therefore the practical Christian, and the practical Christian has become a Jew again.”
“On a level plain, simple mounds look like hills; and the insipid flatness of our present bourgeoisie is to be measured by the altitude of its ''great intellects.''”