If you are far from the enemy, make him believe you are near.

If those who are sent to draw water begin by drinking themselves, the army is suffering from thirst.

Engage people with what they expect; it is what they are able to discern and confirms their projections. It settles them into predictable patterns of response, occupying their minds while you wait for the extraordinary moment - that which they cannot anticipate.

If you know yourself but not the enemy, for every victory gained you will also suffer a defeat.

The clever combatant looks to the effect of combined energy, and does not require too much from individuals. Hence his ability to pick out the right men and utilize combined energy

Sweat more during peace: bleed less during war

Nothing is more difficult than the art of maneuvering for advantageous positions.