Karl Marx

"The fact that labour produces marvels for the rich but misery for the poor."

"Without a revolutionary theory, there can be no revolutionary movement."

"The mode of production of material life determines the social, political and intellectual life processes."

"Men make their own history, but they do not make it just as they please."

"The bourgeoisie cannot exist without constantly revolutionising the means of production."

"Private property is the result of the theft of common property."

"Quantity of labour has become the only measure of value."

"As individuals express their life, so they are."

"The average price of wage-labour is the minimum wage."

"Hegel remarks somewhere that all great events occur twice, so to speak."

"The development of each individual is dependent on the development of all others."

"Revolutions are the locomotives of history."

"The process of production has a dual character corresponding to the dual character of labour."

"The creation of a thousand forests is in one acorn."

"All previous historical movements were movements of minorities."

"The only antidote to mental suffering is physical pain."

"Money is the alienated essence of man's work and existence."

"The bourgeoisie cannot exist without constantly expanding markets."

"The true revolutionary is guided by great feelings of love."

"Necessity is blind until it becomes conscious."

"The meaning of peace is the absence of opposition to socialism."

"The circulation of money is the endless activity of the commodity-owner."

"History repeats itself, first as tragedy, second as farce."

"Ideas are not born; they are created by the conditions of existence."

"Nothing is permanent except change itself."

"The worker's real wage falls, but the money-wage rises."

"To abolish the state is the final goal of every true revolution."

"Art is the most immediate form of human expression."

"The capitalist mode of production came into the world dripping with blood and dirt."

"Surplus value can only arise from the exploitation of living labour-power."