實而備之 · If your enemy is secure at all points, be prepared for him.
強而避之 · If he is in superior strength, evade him.
怒而撓之 · If your opponent is temperamental, seek to irritate him.
卑而驕之 · Pretend to be weak, that he may grow arrogant.
佚而勞之 · If he is taking his ease, give him no rest.
親而離之 · If his forces are united, separate them.
出其不意 · If sovereign and subject are in accord, put division between them.
攻其不備 · Attack him where he is unprepared, appear where you are not expected.