Hold out baits to entice the enemy. Feign disorder, and crush him.
Where the army is, prices are high; when prices rise the wealth of the people is exhausted.
He who knows his enemy and himself well will not be defeated easily.
Who can determine where one ends and the other begins?
The successful person has unusual skill at dealing with conflict and ensuring the best outcome for all.
So in war, the way is to avoid what is strong, and strike at what is weak.