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.

In a serious struggle there is no worse cruelty than to be magnanimous at an inopportune time.

City of prose and fantasy, of capitalist automation, its streets a triumph of cubism, its moral philosophy that of the dollar. New York impressed me tremendously because, more than any other city, it is the fullest expression of our modern age.

Yet the proletariat has not only a vanguard, but also a rearguard, and besides the proletariat there are the peasantry and the bureaucracy.

If we close our eyes to the dark sides of the workers' State which we have helped to create, we shall never reach socialism.

If we had more time for discussion we should probably have made a great many more mistakes.

The historic ascent of humanity, taken as a whole, may be summarized as a succession of victories of consciousness over blind forces - in nature, in society, in man himself.