Know the enemy, know yourself; your victory will never be endangered. Know the ground, know the weather; your victory will then be total.

When the higher officers are angry and insubordinate, and on meeting the enemy give battle on their own account from a feeling of resentment, before the commander-in-chief can tell whether or not he is in a position to fight, the result is ruin.

The line between disorder and order lies in logistics.

Concentrate your energy and hoard your strength.

Those who would wage war, should first eliminate all domestic enemies before proceeding to attack the external foe.

It is the business of a general to be serene and inscrutable, impartial and self-controlled.

To perceive victory when it is known to all is not really skilful... It does not take much strength to lift a hair, it does not take sharp eyes to see the sun and moon, it does not take sharp ears to hear the thunderclap.