A people without a heritage are easily persuaded.

The more a ruling class is able to assimilate the most prominent men of a ruled class, the more solid and dangerous its rule.

It is not the consciousness of men that determines their being, but, on the contrary, their social being that determines their consciousness.

The Communists have no need to introduce free love; it has existed almost from time immemorial.

The alienation of man thus appeared as the fundamental evil of capitalist society.

Nothing can have value without being an object of utility.

It is absolutely impossible to transcend the laws of nature. What can change in historically different circumstances is only the form in which these laws expose themselves.