The opportunity of defeating the enemy is provided by the enemy himself.

Hence the experienced soldier, once in motion, is never bewildered; once he has broken camp, he is never at a loss.

Know the enemy and know yourself; in a hundred battles you will never peril.

Therefore, to estimate the enemy situation and to calculate distances and the degree of difficulty of the terrain so as to control victory are virtues of the superior general.

Perfection in war lies in so sapping your opponents will that he surrenders without fighting.

Know the enemy, know yourself; your victory will never be endangered. Know the ground, know the weather; your victory will then be total.

There are not more than five primary colours, yet in combination they produce more hues than can ever been seen.