The need of a constantly expanding market for its products chases the bourgeoisie over the entire surface of the globe.

...the first step in the revolution by the working class, is to raise the proletariat to the position of ruling class, to win the battle for democracy.

In the various stages of development which the struggle of working class against the bourgeoisie has to pass through, they always and everywhere represent the interests of the movement as a whole.

Communism is the riddle of history solved, and it knows itself to be this solution.

You will have to go through 15, 20, 50 years of civil wars and national struggles not only to bring about a change in society but also to change yourselves, and prepare yourselves for the exercise of political power.

The first requisite for the happiness of the people is the abolition of religion.

Social reforms are never carried out by the weakness of the strong; but always by the strength of the weak.