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

Where force is necessary, there it must be applied boldly, decisively and completely. But one must know the limitations of force; one must know when to blend force with a maneuver, a blow with an agreement.

It is quite clear that the German and Chinese revolutions in case of victory would have changed the face of Europe and Asia, and perhaps of the whole world.

Revolutionary realism tries to draw the maximum advantage from every situation - that is what makes it revolutionary - but at the same time it does not permit us to set ourselves fantastic aims - that is what makes it realistic.

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

The initiative of the Five Year Plan and of the accelerated collectivization belongs entirely to the Left Opposition, in uninterrupted and sharp struggles with the Stalinists. Not having the possibility of occupying myself here with long historical researches, I will limit myself to a single illustration. The Dnieprostroy is considered with right as the highest achievement of Soviet industrialization. Yet [Joseph] Stalin and his followers ([Clim] Voroshilov and others) a few months before the beginning of the work were decided opponents of the Dnieprostroy plan.

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