If I am able to determine the enemy's dispositions while at the same time I conceal my own, then I can concentrate and he must divide.

Ground which can be freely traversed by both sides is called accessible.

The spot where we intend to fight must not be made known; for then the enemy will have to prepare against a possible attack at several different points; and his forces being thus distributed in many directions, the numbers we shall have to face at any given point will be proportionately few.

Attack like the Fire and be still as the Mountain

Know the enemy and know yourself; in a hundred battles you will never peril.

First learn to become invincible, then wait for your enemy's moment of vulnerability.

Appraise war in terms of the fundamental factors. The first of these factors is moral influence.