There are no absolute rules of conduct, either in peace or war. Everything depends on circumstances.

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

Actually, the decision was not only expedient but necessary. The severity of this summary justice showed the world that we would continue to fight mercilessly, stopping at nothing. The execution of the Tsar's family was needed not only in order to frighten, horrify, and dishearten the enemy but also in order to shake up our own ranks, to show them that there was no turning back, that ahead lay either complete victory or complete ruin.

Let us not forget that revolutions are accomplished through people, although they be nameless. Materialism does not ignore the feeling, thinking, and acting man, but explains him.

The task of the proletariat is to create a still more powerful fatherland with a far greater power of resistance, the Republican United States of Europe, as the foundation of the United States of the World.

[Vladimir] Lenin died in January, 1924; three months later [Joseph] Stalin expounded in writing Lenin's conception of the proletarian revolution.

Socialist economy cannot reject the huge advantages of the world division of labor: on the contrary, it will carry it to the highest development. But in practise, it is not a question of the future socialist society, with an established internal equilibrium, but of the given technically and culturally backward country which in the interests of industrialisation and collectivization is forced to export as much as possible in order to import as much as possible.