So, the student of war who is unversed in the art of varying his plans, even though he be acquainted with the Five Advantages, will fail to make the best use of his men. 414

Hence in the wise leader’s plans, considerations of advantage and of disadvantage will be blended together. 415

If our expectation of advantage be tempered in this way, we may succeed in accomplishing the essential part of our schemes. 416

If, on the other hand, in the midst of difficulties we are always ready to seize an advantage, we may extricate ourselves from misfortune. 417