Do not press an enemy at bay. Prince Fu Ch'ai said: "Wild beasts, when at bay, fight desperately. How much more is this true of men! If they know there is no alternative, they will fight to the death.
Sun TzuConvince your enemy that he will gain very little by attacking you; this will diminish his enthusiasm
Sun TzuSo it is that good warriors take their stance on ground where they cannot lose, and do not overlook conditions that make an opponent prone to defeat.
Sun Tzu