Hence those who use fire as an aid to the attack show intelligence; 710 those who use water as an aid to the attack gain an accession of strength. 711

By means of water, an enemy may be intercepted, but not robbed of all his belongings. 712

Unhappy is the fate of one who tries to win his battles and succeed in his attacks without cultivating the spirit of enterprise; for the result is waste of time and general stagnation. 713

Hence the saying: The enlightened ruler lays his plans well ahead; the good general cultivates his resources. 714