Therefore attack, the chief means of destroying the enemy, is primary, while defence, a supplementary means of destroying the enemy and a means of self-preservation, is secondary.

• 因此，作为消灭敌人之主要手段的进攻是主要的，而作为消灭敌人之辅助手段和作为保存自己之一种手段的防御，是第二位的。