Who does not know the evils of war cannot appreciate its benefits.

Who can determine where one ends and the other begins?

Nothing is more difficult than the art of maneuver. What is difficult about maneuver is to make the devious route the most direct and to turn misfortune to advantage.

Pretend inferiority and encourage his arrogance.

It is the rule in war, if our forces are ten to the enemy's one, to surround him; if five to one, to attack him; if twice as numerous, to divide our army into two.

Bring war material with you from home, but forage on the enemy... use the conquered foe to augment one's own strength.

It is only one who is thoroughly acquainted with the evils of war that can thoroughly understand the profitable way of carrying it on.