art of war-第40章
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(ss。 21 sqq。)。 Ho Shih notes three occasions on which converted
spies were used with conspicuous success: (1) by T‘ien Tan in
his defense of Chi…mo (see supra; p。 90); (2) by Chao She on his
march to O…yu (see p。 57); and by the wily Fan Chu in 260 B。C。;
when Lien P‘o was conducting a defensive campaign against Ch‘in。
The King of Chao strongly disapproved of Lien P‘o's cautious and
dilatory methods; which had been unable to avert a series of
minor disasters; and therefore lent a ready ear to the reports of
his spies; who had secretly gone over to the enemy and were
already in Fan Chu's pay。 They said: 〃The only thing which
causes Ch‘in anxiety is lest Chao Kua should be made general。
Lien P‘o they consider an easy opponent; who is sure to be
vanquished in the long run。〃 Now this Chao Kua was a sun of the
famous Chao She。 From his boyhood; he had been wholly engrossed
in the study of war and military matters; until at last he came
to believe that there was no commander in the whole Empire who
could stand against him。 His father was much disquieted by this
overweening conceit; and the flippancy with which he spoke of
such a serious thing as war; and solemnly declared that if ever
Kua was appointed general; he would bring ruin on the armies of
Chao。 This was the man who; in spite of earnest protests from
his own mother and the veteran statesman Lin Hsiang…ju; was now
sent to succeed Lien P‘o。 Needless to say; he proved no match
for the redoubtable Po Ch‘i and the great military power of
Ch‘in。 He fell into a trap by which his army was divided into
two and his communications cut; and after a desperate resistance
lasting 46 days; during which the famished soldiers devoured one
another; he was himself killed by an arrow; and his whole force;
amounting; it is said; to 400;000 men; ruthlessly put to the
sword。'
12。 Having DOOMED SPIES; doing certain things openly for
purposes of deception; and allowing our spies to know of them and
report them to the enemy。
'Tu Yu gives the best exposition of the meaning: 〃We
ostentatiously do thing calculated to deceive our own spies; who
must be led to believe that they have been unwittingly disclosed。
Then; when these spies are captured in the enemy's lines; they
will make an entirely false report; and the enemy will take
measures accordingly; only to find that we do something quite
different。 The spies will thereupon be put to death。〃 As an
example of doomed spies; Ho Shih mentions the prisoners released
by Pan Ch‘ao in his campaign against Yarkand。 (See p。 132。) He
also refers to T‘ang Chien; who in 630 A。D。 was sent by T‘ai
Tsung to lull the Turkish Kahn Chieh…li into fancied security;
until Li Ching was able to deliver a crushing blow against him。
Chang Yu says that the Turks revenged themselves by killing T‘ang
Chien; but this is a mistake; for we read in both the old and the
New T‘ang History (ch。 58; fol。 2 and ch。 89; fol。 8
respectively) that he escaped and lived on until 656。 Li I…chi
played a somewhat similar part in 203 B。C。; when sent by the King
of Han to open peaceful negotiations with Ch‘i。 He has certainly
more claim to be described a 〃doomed spy〃; for the king of Ch‘i;
being subsequently attacked without warning by Han Hsin; and
infuriated by what he considered the treachery of Li I…chi;
ordered the unfortunate envoy to be boiled alive。'
13。 SURVIVING SPIES; finally; are those who bring back news
from the enemy's camp。
'This is the ordinary class of spies; properly so called;
forming a regular part of the army。 Tu Mu says: 〃Your surviving
spy must be a man of keen intellect; though in outward appearance
a fool; of shabby exterior; but with a will of iron。 He must be
active; robust; endowed with physical strength and courage;
thoroughly accustomed to all sorts of dirty work; able to endure
hunger and cold; and to put up with shame and ignominy。〃 Ho Shih
tells the following story of Ta‘hsi Wu of the Sui dynasty: 〃When
he was governor of Eastern Ch‘in; Shen…wu of Ch‘i made a hostile
movement upon Sha…yuan。 The Emperor T‘ai Tsu '? Kao Tsu' sent
Ta…hsi Wu to spy upon the enemy。 He was accompanied by two other
men。 All three were on horseback and wore the enemy's uniform。
When it was dark; they dismounted a few hundred feet away from
the enemy's camp and stealthily crept up to listen; until they
succeeded in catching the passwords used in the army。 Then they
got on their horses again and boldly passed through the camp
under the guise of night…watchmen; and more than once; happening
to come across a soldier who was committing some breach of
discipline; they actually stopped to give the culprit a sound
cudgeling! Thus they managed to return with the fullest possible
information about the enemy's dispositions; and received warm
commendation from the Emperor; who in consequence of their report
was able to inflict a severe defeat on his adversary。〃'
14。 Hence it is that which none in the whole army are more
intimate relations to be maintained than with spies。
'Tu Mu and Mei Yao…ch‘en point out that the spy is
privileged to enter even the general's private sleeping…tent。'
None should be more liberally rewarded。 In no other business
should greater secrecy be preserved。
'Tu Mu gives a graphic touch: all communication with spies
should be carried 〃mouth…to…ear。〃 The following remarks on spies
may be quoted from Turenne; who made perhaps larger use of them
than any previous commander: 〃Spies are attached to those who
give them most; he who pays them ill is never served。 They
should never be known to anybody; nor should they know one
another。 When they propose anything very material; secure their
persons; or have in your possession their wives and children as
hostages for their fidelity。 Never communicate anything to them
but what is absolutely necessary that they should know。 '2' '
15。 Spies cannot be usefully employed without a certain
intuitive sagacity。
'Mei Yao…ch‘en says: 〃In order to use them; one must know
fact from falsehood; and be able to discriminate between honesty
and double…dealing。〃 Wang Hsi in a different interpretation
thinks more along the lines of 〃intuitive perception〃 and
〃practical intelligence。〃 Tu Mu strangely refers these
attributes to the spies themselves: 〃Before using spies we must
assure ourselves as to their integrity of character and the
extent of their experience and skill。〃 But he continues: 〃A
brazen face and a crafty disposition are more dangerous than
mountains or rivers; it takes a man of genius to penetrate such。〃
So that we are left in some doubt as to his real opinion on the
passage。〃'
16。 They cannot be properly managed without benevolence and
straightforwardness。
'Chang Yu says: 〃When you have attracted them by
substantial offers; you must treat them with absolute sincerity;
then they will work for you with all their might。〃'
17。 Without subtle ingenuity of mind; one cannot make
certain of the truth of their reports。
'Mei Yao…ch‘en says: 〃Be on your guard against the
possibility of spies going over to the service of the enemy。〃'
18。 Be subtle! be subtle! and use your spies for every kind
of business。
'Cf。 VI。 ss。 9。'
19。 If a secret piece of news is divulged by a spy before
the time is ripe; he must be put to death together with the man
to whom the secret was told。
'Word for word; the translation here is: 〃If spy matters
are heard before 'our plans' are carried out;〃 etc。 Sun Tzu's
main point in this passage is: Whereas you kill the spy himself
〃as a punishment for letting out the secret;〃 the object of
kill