产品是1，营销是0。没有好的产品，再多的营销也是徒劳。

流放不仅仅是一个地理概念；你可以在自己的国家、自己的家庭、自己的皮肤里成为流放者。

I cannot but be astonished that Socrates， after having so often repeated to his fellow citizens that he did not pretend to any wisdom， but had been appointed by the gods to a mission of benevolence towards them， should have been condemned to death.

The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.

制度是一个社会的游戏规则，或者更正式地说，是人为设计的约束人类互动的框架。