“The proletarian works with the instruments of production of another, for the account of this other, in exchange for a part of the product. … The proletarian liberates himself by abolishing competition, private property, and all class differences.”

“Since the management of industry by individuals necessarily implies private property, and since competition is in reality merely the manner and form in which the control of industry by private property owners expresses itself, it follows that private property cannot be separated from competition and the individual management of industry. Private property must, therefore, be abolished and in its place must come the common utilization of all instruments of production and the distribution of all products according to common agreement – in a word, what is called the communal ownership of goods.”

Friedrich Engels book Principles of Communism

“In all probability, the proletarian revolution will transform existing society gradually and will be able to abolish private property only when the means of production are available in sufficient quantity. What will be the course of this revolution? Above all, it will establish a democratic constitution, and through this, the direct or indirect dominance of the proletariat.”

Friedrich Engels (1820–1895) German social scientist, author, political theorist, and philosopher

“It makes no sense to regard the right of suffrage as a utopian product of fantasy, cut loose from social reality. And it is for this reason that it is not a serious instrument of the proletarian dictatorship. It is an anachronism, an anticipation of the juridical situation which is proper on the basis of an already completed socialist economy, but is not in the transition period of the proletarian dictatorship.”

Rosa Luxemburg (1871–1919) Polish Marxist theorist, socialist philosopher, and revolutionary

“The slave is sold once and for all; the proletarian must sell himself daily and hourly. The individual slave, property of one master, is assured an existence, however miserable it may be, because of the master’s interest. The individual proletarian, property as it were of the entire bourgeois class which buys his labor only when someone has need of it, has no secure existence. This existence is assured only to the class as a whole.”

Friedrich Engels (1820–1895) German social scientist, author, political theorist, and philosopher

“[F]reedom depended ultimately on the outcome struggle between private property, voluntary production, and voluntary exchange on the one hand, and central planning on the other.”

Alan Charles Kors (1943) American academic

“The slave is outside competition; the proletarian is in it and experiences all its vagaries.”

Friedrich Engels (1820–1895) German social scientist, author, political theorist, and philosopher

“The class of the wholly propertyless, who are obliged to sell their labor to the bourgeoisie in order to get, in exchange, the means of subsistence for their support. This is called the class of proletarians, or the proletariat.”

Friedrich Engels (1820–1895) German social scientist, author, political theorist, and philosopher

“Class instinct is subjective and spontaneous. … To arrive at proletarian class positions, the class instinct of proletarians only needs to be educated; the class instinct of the petty bourgeoisie, and hence of intellectuals, has, on the contrary, to be revolutionized.”

Louis Althusser book Lenin and Philosophy and Other Essays

“For my part, while I am as convinced a Socialist as the most ardent Marxian, I do not regard Socialism as a gospel of proletarian revenge, nor even, primarily, as a means of securing economic justice. I regard it primarily as an adjustment to machine production demanded by considerations of common sense, and calculated to increase the happiness, not only of proletarians, but of all except a tiny minority of the human race.”

Bertrand Russell (1872–1970) logician, one of the first analytic philosophers and political activist