Now this foreknowledge cannot be elicited from spirits; 732 it cannot be obtained inductively from experience, 733 nor by any deductive calculation. 734

Knowledge of the enemy’s dispositions can only be obtained from other men. 735

Hence the use of spies, of whom there are five classes: (1) Local spies; (2) inward spies; (3) converted spies; (4) doomed spies; (5) surviving spies.

When these five kinds of spy are all at work, none can discover the secret system. 736 This is called 737 “divine manipulation of the threads.” 738 It is the sovereign’s most precious faculty. 739