To Subdue an enemy without fighting is the greatest of skills

Attack like the Fire and be still as the Mountain

There are not more than five musical notes, yet the combinations of these five give rise to more melodies than can ever be heard.

When you are ignorant of the enemy but know yourself, your chances of winning or losing are equal.

Peace proposals unaccompanied by a sworn covenant indicate a plot.

When he utilizes combined energy, his fighting men become, as it were, like rolling logs or stones... The energy developed by good fighting men is as the momentum of a round stone rolled down a mountain thousands of feet in height.

Now this foreknowledge cannot be elicited from spirits; it cannot be obtained inductively from experience, nor by any deductive calculation.