"The past is a foreign country; they do things differently there."
The concept of law is essentially a matter of social fact.
我不与任何人竞争，只与自己竞争。我的目标是比昨天的自己更好。
国君自以为神圣聪明，而不去咨询官吏，自以为国家安定强大，而不注重防守，周围的邻国图谋侵略他却不知道戒备。