The Soviet Union needs thinking and critical friends, such as are capable not only of singing hymns in the hours of success, but of not shrinking in the hour of defeat and danger.

Can and must! The proclamation of this new conception of [Joseph Stalin] is closed by the same words, "Such are in general the characteristic features of Lenin's conception of the proletarian revolution." In the course of a single year Stalin ascribed to [Vladimir] Lenin two directly opposed conceptions of the fundamental question of socialism. The first version represents the real tradition of the party; the second took shape in Stalin's mind only after the death of Lenin, in the course of the struggle against "Trotskyism".

The main task of Socialism - the organization of Socialist production - remains still in the future.

The bourgeoisie, which far surpasses the proletariat in the completeness and irreconcilibility of its class consciousness, is vitally interested in imposing its moral philosophy upon the exploited masses. It is exactly for this purpose that the concrete norms of the bourgeois catechism are concealed under moral abstractions...The appeal to abstract norms is not a disinterested philosophic mistake but a necessary element in the mechanics of class deception.

The depth and strength of a human character are defined by its moral reserves. People reveal themselves completely only when they are thrown out of the customary conditions of their life, for only then do they have to fall back on their reserves.

Where the sole employer is the state, [opposition] means death by slow starvation.

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