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.

The fall of the present bureaucratic dictatorship [in the Soviet Union], if it were not replaced by a new socialist power, would thus mean a return to capitalist relations with a catastrophic decline of industry and culture.

In Russia itself the proletariat conquered in spite of the fact that there was no Soviet State in existence at the time elsewhere. For the victory are necessary, not only certain objective conditions, internal as well as external, but also certain subjective factors - the Party, the leadership, the strategy.

Fascism is a caricature of Jacobinism.

All the parties of capitalist society, all its moralists and all its sycophants will perish beneath the debris of the impending catastrophe. The only party that will survive is the party of the world socialist revolution.

Dialectical thought is related to vulgar thinking in the same way that a motion picture is related to a still photograph. The motion picture does not outlaw the still photograph but combines a series of them according to the laws of motion.

One of the most surprising things in life is the sudden realization that one has become old