Page:Sun Tzu on The art of war.djvu/120

Rh On the field of battle,
 * 1) 

the spoken word does not carry far enough: hence the institution of gongs and drums.

Nor can ordinary objects be seen clearly enough: hence the institution of banners and flags. 24. Gongs and drums, banners and flags, are means whereby the ears and eyes of the host

may be focussed on one particular point.

25. The host thus forming a single united body, it is impossible either for the brave to advance alone, or for the cowardly to retreat alone.