In view of the undoubted honesty of those broad sections of the mass believers in revolutionary defencism who accept the war only as a necessity, and… - Vladimir Lenin

We are marching in a compact group along a precipitous and difficult path, firmly holding each other by the hand. We are surrounded on all sides by enemies and are under their almost constant fire. We have combined voluntarily, precisely for the purpose of fighting the enemy, and not to retreat into the adjacent marsh, the inhabitants of which, from the very outset, have reproached us with having separated ourselves into an exclusive group and with having chosen the path of struggle instead of the path of conciliation.

Without a revolutionary theory there can be no revolutionary movement. This cannot be insisted upon too strongly at a time when the fashionable preaching of opportunism is combined with absorption in the narrowest forms of practical activity.

One will readily agree that any army which does not train to use all the weapons, all the means and methods of warfare that the enemy possesses, or may possess, is behaving in an unwise or even criminal manner. This applies to politics even more than it does to the art of war.