"The #Communists disdain to conceal their views and aims. They openly 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."

—Karl #Marx and Friedrich #Engels, #Manifesto of the #Communist Party, English edition of 1888