A clever general, therefore,
The 故, which certainly seems to be wanted here, is omitted in the
_T‘u Shu_.
avoids an army when its spirit is keen, but attacks it when it is
sluggish and inclined to return. This is the art of studying moods.
The _T‘ung Tien_, for reasons of 避諱 “avoidance of personal names
of the reigning dynasty,” reads 理 for 治 in this and the two next
paragraphs.