Whenever the cause of the people is entrusted to professors, it is lost.

Imperialism, in a sense, is the transition stage from capitalism to Socialism. . . . It is capitalism dying, not dead.

How can you make a revolution without executions?

Atheism is a natural and inseparable part of Marxism, of the theory and practice of scientific socialism. Our program necessarily includes the propaganda of atheism.

Learning is never done without errors and defeat.

Human knowledge is not (or does not follow) a straight line, but a curve, which endlessly approximates a series of circles, a spiral. Any fragment, segment, section of this curve can be transformed (transformed one-sidedly) into an independent, complete, straight line, which then (if one does not see the wood for the trees) leads into the quagmire, into clerical obscurantism (where it is anchored by the class interests of the ruling classes).

The constitution of Soviet Russia must insure equal rights for all citizens regardless of sex, creed, race, or nationality.