◆彼を知り己を知れば、百戦殆からず Kare wo shiri, onore wo shireba, 100sen ayaukarazu.
- 解釈：敵と味方との情勢を十分に知り得れば、何度戦っても負けることはない。
- Literal：100 games are not dangerous, if he is got to know and themselves is got to know.
- Interpretation：If the information on an enemy's information and an ally is known, it will not lose, even if it fights how many times.
- 類義：