Clausewitz to be sure, had gone out of his way to point out that armies even when commanded by Napoleon, had rarely defeated opposing armies of as much as twice their size-thus indicating a certain boundary on the influence not only of morale but also of skill in generalship. And when greatly superior forces were defeated by lesser ones, Clausewitz hinted, it was usually because of as much owing to gross incompetence on one side as to exceptional competence on the other. Let us acknowledge the genius of blunder as well as the genius of correct action! The former appeared at least as often as the latter and has had at least as much influence on history.

Pg. 42 - Strategy in the Missile Age