Religion is the opiate of the people.
Capital is dead labour, which, vampire-like, lives only by sucking living labour, and lives the more, the more labour it sucks.
Go on, get out! Last words are for fools who haven't said enough!
Capital is reckless of the health or length of life of the laborer, unless under compulsion from society.
The first requisite for the happiness of the people is the abolition of religion.
Necessity is blind until it becomes conscious. Freedom is the consciousness of necessity.
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.
Only in community with others has each individual the means of cultivating his gifts in all directions; only in the community, therefore, is personal freedom possible.
Men make their own history, but they do not make it as they please.
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.
Religion is the impotence of the human mind to deal with occurrences it cannot understand.
The production of too many useful things results in too many useless people.
Religion is the opium of the people.
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 labour...
It is not history which uses men as a means of achieving - as if it were an individual person - its own ends. History is nothing but the activity of men in pursuit of their ends.
History does nothing it does not possess immense riches, it does not fight battles. It is men, real, living, who do all this.
Experience praises the most happy the one who made the most people happy.
The human being is in the most literal sense a political animal, not merely a gregarious animal, but an animal which can individuate itself only in the midst of society.
Greek philosophy seems to have met with something with which a good tragedy is not supposed to meet, namely, a dull ending.
All that philosophers have done is interpret the world in different ways. It is our job to change it.