He who is prudent and lies in wait for an enemy who is not, will be victorious.
Attack him where he is unprepared, appear where you are not expected.
In the tumult and uproar, the battle seems chaotic, but there is no disorder, the troops appear to be milling about in circles but cannot be defeated.
He who knows his enemy and himself well will not be defeated easily.
Agitate him and ascertain the pattern of his movement.
For them to perceive the advantage of defeating the enemy, they must also have their rewards.