... laborers, who live only so long as they find work, and who find work only so long as their labor increases capital.

The bourgeoisie cannot exist without constantly revolutionizing the instruments of production, and thereby the relations of production, and with them the whole relations of society.

Now and then the workers are victorious, but only for a time. The real fruit of their battles lies, not in the immediate result, but in the ever expanding union of workers.

... every class struggle is a political struggle.

The essential condition for the existence and sway of the bourgeoisie class,is the formation and augmentation of capital; the condition for capital is wage-labor.

Property, in its present form, is based on the antagonism of capital and wage-labor.

The average price of wage-labor, is the minimum wage ...

The charges against Communism made from a religious, a philosophical, and, generally, from an ideological standpoint, are not deserving of serious examination.

The ruling ideas of each age have [n]ever been the ideas of its ruling class.