[Wang Hsi] Look into the matter of his alliances and cause them to be severed and dissolved. If an enemy has alliances, the problem is grave and the enemy's position strong,. if he has no alliances, the problem is minor and the enemy's position weak.
We also want to make it clear that war itself does not suspend political intercourse or change it into something entirely different. In essentials that intercourse continues irrespective of the means it employs. ... Do political relations between peoples and governments stop when diplomatic notes are no longer exchanged?
War is thus an act of force to compel our enemy to do our will.
War is a clash between major interests, which is resolved by bloodshed - that is the only way in which it differs from other conflicts.
Essentially war is fighting, for fighting is the only principle in the manifold activities generally designated as war .
Strategy, as has already been explained, is the art of bringing the greatest part of the forces of an army upon the important point of the theater of war or the zone of operations.