When the labourer co-operates systematically with others, he strips off the fetters of his individuality, and develops the capabilities of his species.

Religion is only the illusory sun which revolves round man as long as he does not revolve round himself.

Men make their own history but not in circumstances of their own choosing.

Men make their own history

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.

Under private property, each tries to establish over the other an alien power, so as thereby to find satisfaction of his own selfish need. The increase in the quantity of objects is therefore accompanied by an extension of the realm of the alien powers to which man is subjected, and every new product represents a new potentiality of mutual swindling and mutual plundering.

Without the presence of class warfare, trade unions would be hard put to justfy their existence.