Life is not an easy matter... You cannot live through it without falling into frustration and cynicism unless you have before you a great idea which raises you above personal misery, above weakness, above all kinds of perfidy and baseness.

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.

Simultaneously the Left Opposition in the course of several years carried on a struggle against the Stalinists in favor of collectivization.

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 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.

In Stalin each [Soviet bureaucrat] easily finds himself. But Stalin also finds in each one a small part of his own spirit. Stalin is the personification of the bureaucracy. That is the substance of his political personality.

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