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.

When one treats people with benevolence, justice and righteousness, and reposes confidence in them, the army will be united in mind and all will be happy to serve their leaders.

So a military force has no constant formation, water has no constant shape: the ability to gain victory by changing and adapting according to the opponent is called genius.

Hence the saying: If you know the enemy and you know yourself, your victory will not stand in doubt; if you now Heaven and you know Earth, you may make your victory complete.

The line between disorder and order lies in logistics.

A wise general makes a point of foraging of the enemy.

Opportunities increase as they are taken.