With regard to precipitous heights, if you are beforehand with your adversary, you should occupy the raised and sunny spots, and there wait for him to come up.

Order or disorder depends on organisation and direction; courage or cowardice on circumstances; strength or weakness on tactical dispositions.

If your enemy is superior, evade him

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

Weak leadership can wreck the soundest strategy; forceful execution of even a poor plan can often bring victory.

The supreme art of war is to subdue the enemy without fighting.

The essential factor of military success is speed, that is taking advantage of others' unpreparedness or lack of foresight, their failure to catch up, going by routes they do not expect, attacking where they are not on guard. This you cannot accomplish with hesitation.