@adapalmer @bookstodon @ergative
...e. g., "“All warfare is based on deception.”
"The greatest victory is that which requires no battle.”
“Know your enemy and know yourself and you can fight a hundred battles without disaster.”
But most importly,
"Hostile armies may face each other for years, striving for the victory which is decided in a single day. This being so, to remain in ignorance of the enemy's condition simply because one grudges the outlay of a hundred ounces...