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(5) He will win who has military capacity and is not interfered

with by the sovereign.

[Tu Yu quotes Wang Tzŭ as saying: "It is the sovereign's function

to give broad instructions, but to decide on battle it is the

function of the general." It is needless to dilate on the

military disasters which have been caused by undue interference

with operations in the field on the part of the home government.

Napoleon undoubtedly owed much of his extraordinary success to

the fact that he was not hampered by central authority.]

Victory lies in the knowledge of these five points.

[Literally, "These five things are knowledge of the principle of

victory."]

18. Hence the saying: If you know the enemy and know yourself,

you need not fear the result of a hundred battles. If you know

yourself but not the enemy, for every victory gained you will

also suffer a defeat.