Quotes by Karl Marx

Religion is the sigh of the oppressed creature, the heart of a heartless world, just as it is the spirit of a spiritless situation. It is the opium of the people.

Capital is dead labor that vampirelike lives only by sucking living labor and lives the more the more labor it suck.

The theory of Communism may be summed up in one sentence: Abolish all private property.

All that philosophers have done is interpret the world in different ways. It is our job to change it.

The more of himself man attributes to God the less he has left in himself.

All I know is Im not a Marxist.

Religion is the opiate of the people.

Religion is the opium of the people.

Let the ruling classes tremble at a Communist revolution. The proletarians have nothing to lose but their chains. They have a world to win. Working men of all countries unite!

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.

Natural science will in time incorporate into itself the science of man, just as the science of man will incorporate into itself natural science: there will be one science.

The ruling ideas of each age have ever been the ideas of its ruling class.

The first requisite for the happiness of the people is the abolition of religion.

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.

Religion is the opium of the masses.

Religion is the impotence of the human mind to deal with occurrences it cannot understand.

History repeats itself, first as tragedy, second as farce.

The history of all previous societies has been the history of class struggles.

Revolutions are the locomotives of history.

Anyone who knows anything of history knows that great social changes are impossible without feminine upheaval. Social progress can be measured exactly by the social position of the fair sex, the ugly ones included.