You can become a Communist only when you enrich your mind with a knowledge of all the treasures created by mankind.

Those who are opposed to armed uprising ... must be ruthlessly kicked out as enemies, traitors and cowards.

Unity must be won, and only the workers, the class-conscious workers themselves can win it - by stubborn and persistent effort.

The leaders of the petty bourgeoisie must teach the people to trust the bourgeoisie. The proletarians must teach the people to distrust the bourgeoisie.

Freedom of speech and the press must be complete. But then freedom of association must be complete too.

Atheism is a natural and inseparable part of Marxism, of the theory and practice of scientific socialism. Our program necessarily includes the propaganda of atheism.

Every cook has to learn how to govern the state.