5.10
Even children are successful deceivers when they play Guess the number; they will hold up a counter or two and make believe that they have got a fist-full, and seem to hold up few when they are holding many; so surely men can play similar tricks when they are intent on deceiving in earnest.
5.11
And on thinking over the successes gained in war you will find that most of them, and these the greatest, have been won with the aid of deception. For these reasons either you should not essay to command, or you should pray to heaven that your equipment may include this qualification, and you should contrive on your own part to possess it.
5.12
For those near the sea two effective ruses are, to strike on land while fitting out ships, and to attack by sea while ostensibly planning a land attack.
5.13
Another duty of a cavalry commander is to demonstrate to the city the weakness of cavalry destitute of infantry as compared with cavalry that has infantry attached to it. Further, having got his infantry, a cavalry commander should make use of it. A mounted man being much higher than a man on foot, infantry may be hidden away not only among the cavalry but in the rear as well.
5.14
For the practical application of these devices and any others you may contrive for the undoing of your foes by force or craft, I counsel you to work with God, so that, the gods being propitious, fortune too may favour you.