He quotes: "To know others takes intelligence, to know oneself takes wisdom; to defeat others takes strength, to master oneself takes greatness." Says Wang: "Even if a person can govern ten million people, the question whether they can govern themselves is still relevant.
勝人者有力，自勝者強」為例，「一個人能管好千萬人，能否管好自己的問題也還在，老子剛好把這一當口點出來」，王鎮華說。