enemy. Men light of foot and well armed should be placed in front; the chariots divided; the horsemen drawn up, and placed in ambush on four sides, with many leagues between, and without showing their weapons. Then, the enemy will certainly make his defence firm, and neither advance or retreat. Whereupon, the standards will be raised, and the ranks of banners shown, the mountains left, and camp pitched in the plain.
“The enemy will then be fearful, and should be challenged by chariot and horse, und allowed no rest.
"This is the method of fighting in valleys.”
And Lord Wen asked and said:—
“If the enemy be met in a marsh where the water is out, so that the wheels of the chariots sink in, and the shafts be covered, and the chariots and horsemen overcome by the waters, when there are no boats or oars, and it is impossible either to advance or retreat, what should be done in such a case?”
And Wu answered and said:—
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