“Know yourself and know the other, and you will not be in danger in a hundred battles” is usually quoted as an intelligence slogan. Chapter 13 is colder: a clear fact lowers uncertainty before you commit. Acting without knowing is usually more expensive than finding out — and more likely to start the wrong fight. Intelligence exists so you can stay out, not so you can occupy.
Split “knowing” into four layers. All four exist to reduce fights that only live on a bad map:
- Yourself. What one fact are you missing? Where would your own system fail first?
- The other. Is their recent move a signal, or your guess?
- The map. Are the tables, dashboards, and rumors already stale? Moving with a confused map invents an enemy.
- The stop. Once you know, do you still need to enter? Many conflicts can stop the moment the fact appears.
Collecting material is not intelligence. The taller the pile, the easier it is to treat “what they are doing” as a reason you must start. Attacking the empty place is not a market maneuver here. It means leaving the solid place you imagined alone, and verifying one real emptiness — usually a fact you have not asked yet.
A tool can sort notes faster. It cannot decide which fact is worth asking, and it cannot decide that you must still enter after you know. People keep the judgment. Once you know, you may not need to enter.
Verify only one thing next: the fact you must know before committing, and who can tell you. Until it is asked, do not make contact.
Write that fact on Chapter 13. The method page only lines up the question.