Fascism is capitalism in decay.

In the end, one or the other will triumph - a funeral dirge will be sung over the Soviet republic or over world capitalism.

The aim of socialism is not only to abolish the present division of mankind into smaller states and all-national isolation, not only to bring the nations closer to each other, but also to merge them.

Only an armed people can be the real bulwark of popular liberty.

Unity is a great thing and a great slogan. But what the workers’ cause needs is the unity of Marxists, not unity between Marxists, and opponents and distorters of Marxism.

Without revolutionary theory there can be no revolutionary movement.

Lenin, the greatest man of action in our century and at the same time the most selfless.