These are: (1) The Moral Law; (2) Heaven; (3) Earth; (4) The
Commander; (5) Method and discipline.
It appears from what follows that Sun Tzŭ means by 道 a principle
of harmony, not unlike the Tao of Lao Tzŭ in its moral aspect. One
might be tempted to render it by “morale,” were it not considered
as an attribute of the _ruler_ in § 13.