Necessity is blind until it becomes conscious. Freedom is the consciousness of necessity.
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.
In bourgeois society capital is independent and has individuality, while the living person is dependent and has no individuality.
For the bureaucrat, the world is a mere object to be manipulated by him.
Capital is dead labor, which, vampire-like, lives only by sucking living labor, and lives the more, the more labor it sucks.
Capital is reckless of the health or length of life of the laborer, unless under compulsion from society.
Capitalist production, therefore, develops technology, and the combining together of various processes into a social whole, only by sapping the original sources of all wealth - the soil and the labourer.
While the miser is merely a capitalist gone mad, the capitalist is a rational miser.
Machines were, it may be said, the weapon employed by the capitalists to quell the revolt of specialized labor.
Let the ruling classes tremble at a communist revolution. The proletarians have nothing to lose but their chains. They have a world to win. Workingmen of all countries, unite!
Workers of the world unite; you have nothing to lose but your chains.
The worker of the world has nothing to lose, but their chains, workers of the world unite.
The ideas of the ruling class are in every epoch the ruling ideas, i.e., the class which is the ruling material force of society, is at the same time its ruling intellectual force.
A specter is haunting Europe - the specter of communism.
There is a specter haunting Europe, the specter of Communism.
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.
Art is always and everywhere the secret confession, and at the same time the immortal movement of its time.
Society does not consist of individuals but expresses the sum of interrelations, the relations within which these individuals stand.
Democracy is the road to socialism.
The country that is more developed industrially only shows, to the less developed, the image of its own future.