If the enemy is to be coerced, you must put him in a situation that is even more unpleasant than the sacrifice you call on him to make. The hardships of the situation must not be merely transient - at least not in appearance. Otherwise, the enemy would not give in, but would wait for things to improve.
Carl von ClausewitzNo one starts a war--or rather, no one in his sense ought to do so--without first being clear in his mind what he intends to achieve by the war and how he intends to conduct it.
Carl von ClausewitzMany intelligence reports in war are contradictory; even more are false, and most are uncertain.
Carl von ClausewitzThe majority of people are timid by nature, and that is why they constantly exaggerate danger. all influences on the military leader, therefore, combine to give him a false impression of his opponent's strength, and from this arises a new source of indecision.
Carl von Clausewitz