The great powers are always searching for opportunities to gain power at the expense of their rivals, which makes them inherently aggressive.

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

唯一能显著影响行为的学习是自我发现、自我吸收的学习。

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。 

虽然天地能长久，但岁月不居。等待黄河水复清只会陷入烦恼。宁愿远游，让自己心情好一些，不怕上天入地，游尽上下四方。

History is a cyclic poem written by time upon the memories of man.

政府下的人的自由是拥有一个普遍适用的常规生活准则，而不受另一个人的多变、不确定和武断意愿的支配。