The press should be not only a collective propagandist and a collective agitator, but also a collective organizer of the masses.

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).

There are no morals in politics; there is only expedience. A scoundrel may be of use to us just because he is a scoundrel.

The war is relentless: it puts the alternative in a ruthless relief: either to perish, or to catch up with the advanced countries and outdistance them, too, in economic matters.

Give me just one generation of youth, and I'll transform the whole world.

The reflection of nature in man's thought must be understood not lifelessly but in the eternal process of movement, the arising of contradictions and their solution.

To rely upon conviction, devotion, and other excellent spiritual qualities; that is not to be taken seriously in politics.