Religion is the opium of the masses.
In bourgeois society capital is independent and has individuality, while the living person is dependent and has no individuality.
In a higher phase of communist society... only then can the narrow horizon of bourgeois right be fully left behind and society inscribe on its banners: from each according to his ability, to each acco...
The 'free' laborer, thanks to the development of capitalistic production, agrees, i.e. is compelled by social conditions, to sell the whole of his active life, his birthright for a mass of pottage.
One basis for life and another basis for science is a priori a lie.
He freed man from outer religiosity because he made religiosity the inner man. He freed the body from chains because he enchained the heart.
Men's ideas are the most direct emanations of their material state.
The writer may very well serve a movement of history as its mouthpiece, but he cannot of course create it.
All I know is I'm not a Marxist.
[representative government is] deciding once in three or six years which member of the ruling class was to misrepresent the people in Parliament,
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 productio...
The meaning of peace is the absence of opposition to socialism.
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...
...it is all the more clear what we have to accomplish at present: I am referring to ruthless criticism of all that exists, ruthless both in the sense of not being afraid of the results it arrives at...
Men [sic] make their own history, but they do not make it as they please; they do not make it under self-selected circumstances, but under circumstances existing already, given and transmitted from th...
I am a machine condemned to devour books.
If conquest constitutes a natural right on the part of the few, the many have only to gather sufficient strength in order to acquire the natural right of reconquering what has been taken from them
Ignorance never yet helped anybody.
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 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.