Learning carries within itself certain dangers because out of necessity one has to learn from one's enemies.

In inner-party politics, these methods lead, as we shall yet see, to this: the party organization substitutes itself for the party, the central committee subst…

Let a man find himself, in distinction from others, on top of two wheels with a chain - at least in a poor country like Russia - and his vanity begins to swell…

Insurrection is an art, and like all arts has its own laws.

He was within a few hours of giving his enemies the slip forever.

Familiarity with danger makes a brave man braver, but less daring. Thus with seamen: he who goes the oftenest round Cape Horn goes the most circumspectly.

Beware the wrath of a patient adversary.