International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.
大自然似乎有意让电的定律从大空间观察到的现象中推导出来,而不是从实验室狭窄范围内观察到的现象中推导出来。
重要的不是你对了还是错了,而是当你对了的时候你赚了多少钱,当你错了的时候你亏了多少钱。
I'm not a perfectionist, but I like to feel that things are done well.