A good book is a conversation between the author and the reader.
一本好书是作者与读者之间的对话。
Control your expenses better than your competition. This is where you can always find the competitive advantage.
译文：了解人情世故就是一门学问，能应付人情世故就是好文章。赏析：我们要学会洞悉人性，洞察人心，要善于向书本学习，向社会学习，悟透人情世故，处事圆滑，才能走得更远。
我们都是自己经历的囚徒。
Making something variable is easy. Controlling duration of constancy is the trick.
The Langlands program is not a finished edifice but a living, evolving framework.