equally predominant;
[That is, as Wang Hsi says: "they predominate alternately."]
the four seasons make way for each other in turn.
[Literally, "have no invariable seat."]
There are short days and long; the moon has its periods of waning and
waxing.
[Cf. V. § 6. The purport of the passage is simply to illustrate the
want of fixity in war by the changes constantly taking place in Nature.
The comparison is not very happy, however, because the regularity of
the phenomena which Sun Tzŭ mentions is by no means paralleled in war.]
[1] See Col. Henderson’s biography of Stonewall Jackson, 1902 ed., vol.
II, p. 490.