The peak efficiency of knowledge and strategy is to make conflict unnecessary.

We may distinguish six kinds of terrain, to wit: (1) Accessible ground; (2) entangling ground; (3) temporising ground; (4) narrow passes; (5) precipitous heights; (6) positions at a great distance from the enemy.

To ... not prepare is the greatest of crimes; to be prepared beforehand for any contingency is the greatest of virtues.

If a general shows confidence in his men but always insists on his orders being obeyed, the gain will be mutual.

In the midst of chaos, there is also opportunity.

To persuade your enemy to (retreat) before the fight is to defeat them even before the battle begins. An enemy made ally is no longer an enemy.

He must be able to mystify his officers and men by false reports and appearances, and thus keep them in total ignorance.