道之大原出于天，天不变，道亦不变
道的根本来源于天，如果天不改变，道也不会改变
The best teacher in life is experience.
有史以来最大的发现就是，一个人仅仅改变自己的态度，就能改变他的未来。
Computer science is no more about computers than astronomy is about telescopes.
一个人越缺乏安全感，就越有可能怀有极端的偏见。
The most successful modern states are those that have been able to combine a strong state with the rule of law and democratic accountability.
International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.