...the French Revolution gave rise to ideas which led beyond the ideas of the entire old world order. The revolutionary movement which began in 1789... gave rise to the communist idea which Babeuf's friend Buonarroti re-introduced in France after the Revolution of 1830. This idea, consistently developed, is the idea of the new world order.

The Communists disdain to conceal their views and aims. They open declare that their ends can be attained only by the forcible overthrow of all existing social conditions. Let the ruling classes tremble at a Communistic revolution. The proletarians have nothing to lose but their chains. They have a world to win. WORKING MEN OF ALL COUNTRIES, UNITE!

I am a machine, condemned to devour them and then, throw them, in a changed form, on the dunghill of history.

There are no circumstances imaginable, not even victory, under which the proletariat should give up its possession of arms.

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

Wages are determined by the bitter struggle between capitalist and worker.

The unity of the bourgeoisie can be shaken only by the unity of the proletariat.