The ideas of the ruling class are in every epoch the ruling ideas, i.e., the class which is the ruling material force of society, is at the same time its ruling intellectual force.

Every provisional political set-up following a revolution requires a dictatorship, and an energetic dictatorship at that.

Modern bourgeois society with its relations of production, of exchange, and of property, a society that has conjured up such gigantic means of production and of exchange, is like the sorcerer, who is no longer able to control the powers of the nether world whom he has called up by his spells.

Religion is the sigh of the oppressed creature, the heart of a heartless world, and the soul of soulless conditions. It is the opium of the people.

[Napoleon] swept away everywhere the establishments of feudality. ... [He was] Caesar himself.

The policy of Russia is changeless. Its methods, its tactics, its maneuvers may change, but the polar star of its policy, world domination, is a fixed star. About Russia

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!