Sun Tzŭ said: Whoever is first in the field and awaits the coming of
the enemy, will be fresh for the fight; whoever is second in the field
and has to hasten to battle, will arrive exhausted.
Instead of 處, the _Yü Lan_ has in both clauses the stronger word
據. For the antithesis between 佚 and 勞, cf. I. § 23, where
however 勞 is used as a verb.