When the thunderclap comes, there is no time to cover the ears.

Convince your enemy that he will gain very little by attacking you; this will diminish his enthusiasm

Thus the skilful general conducts his army just as though he were leading a single man, willy-nilly, by the hand.

Act after having made assessments. The one who first knows the measure of far and near wins - this is the rule of armed struggle.

Correct your mistake as soon as you have found it.

We cannot enter into alliances until we are acquainted with the designs of our neighbors. We are not fit to lead an army on the march unless we are familiar with the face of the country.

When you know both yourself as well as your competition, you are never in danger. To know yourself and not others, gives you half a chance of winning. Knowing neither yourself or your competition puts you in a position to lose.