欲制夷患，必筹夷情。
想要制服洋人的祸患，必先熟悉洋人的国情。
开放的社会、对知识的无限制获取、人们为推进知识而进行的无计划和无拘束的联合——这些可能使一个庞大、复杂、不断增长、日益专业化和技术化的世界，仍然是一个人类共同体的世界。
Logic is one thing and common sense another.
The past is never dead. It's not even past.
The bond market is the ultimate truth-teller.
Don't cry， I'm sorry， you must understand， I am sorry to deceive you so much， but this is life.
But what is happiness except the simple harmony between a man and the life he leads?
True leadership in energy means balancing economic growth with environmental responsibility.