不要以为世界上的人都在关心你的事。你是不是以为人人都在盯着你？其实，各人有各人的烦心事，没人管你这档事儿。

There are two kinds of companies， those that work to try to charge more and those that work to charge less. We will be the second.

The greatest happiness of a teacher is to send groups of children to the other shore of their ideals.

精通不是天才或天赋的功能。它是时间和强烈专注于某一特定知识领域的功能。

指出人性中的贪婪和恶意有时比超自然力量更令人畏惧。