It is the rule in war, if our forces are ten to the enemy's one, to surround him; if five to one, to attack him; if twice as numerous, to divide our army into two.

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

Humble words and increased preparations are signs that the enemy is about to advance. Violent language and driving forward as if to the attack are signs that he will retreat.

A military operation involves deception. Even though you are competent, appear to be incompetent. Though effective, appear to be ineffective.

No ruler should put troops into the field merely to gratify his own spleen; no general should fight a battle simply out of pique.

Opportunities multiply as they are seized.

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