Our differences with [Joseph] Stalin are entirely of a strategical character.

The Federated Republic of Europe-the United States of Europe-that is what must be. National autonomy no longer suffices. Economic evolution demands the abolition of national frontiers. If Europe is to remain split into national groups, then Imperialism will recommence its work. Only a Federated Republic of Europe can give peace to the world.

National self-sufficiency or "autarchy" is the ideal of [Adolf] Hitler, not of [Karl] Marx and [Vladimir] Lenin.

For the overthrow of the bourgeoisie, the efforts of one country are sufficient - for this we have the testimony of the history of our revolution. For the definitive victory of Socialism, for the organization of Socialist production, the efforts of one country, especially of a peasant country like Russia, are insufficient - for that are required the efforts of the proletarians of several advanced countries.

In 1925 - 27 the revolution in China was destroyed by the false revolutionary strategy of the Stalinist faction. To this last question I consecrate my book, Problems of the Chinese Revolution (issued by the Pioneer Publishers, New York 1932).

Our differences with [Joseph] Stalin are entirely of a strategical character.

The end may justify the means as long as there is something that justifies the end.