Chapter[ XIII. THE USE OF SPIES
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Item[ 2. Hostile armies may face each other for years, striving
for the victory which is decided in a single day. This being so,
to remain in ignorance of the enemy's condition simply because
one grudges the outlay of a hundred ounces of silver in honors
and emoluments,
["For spies" is of course the meaning, though it would spoil
the effect of this curiously elaborate exordium if spies were
actually mentioned at this point.]
is the height of inhumanity.
[Sun Tzu's agreement is certainly ingenious. He begins by
adverting to the frightful misery and vast expenditure of blood
and treasure which war always brings in its train. Now, unless
you are kept informed of the enemy's condition, and are ready to
strike at the right moment, a war may drag on for years. The
only way to get this information is to employ spies, and it is
impossible to obtain trustworthy spies unless they are properly
paid for their services. But it is surely false economy to
grudge a comparatively trifling amount for this purpose, when
every day that the war lasts eats up an incalculably greater sum.
This grievous burden falls on the shoulders of the poor, and
hence Sun Tzu concludes that to neglect the use of spies is
nothing less than a crime against humanity.]