Human cognition is best understood as a hierarchy of information processing levels.

Efficiency is doing things right; effectiveness is doing the right things.

The only way to do great work is to love what you do.

作一个不满足的人，胜过一只满足的猪；作一个不幸的苏格拉底，胜过作一个满足的痴人。

语言不仅仅是交流的工具，更是塑造我们现实的方式。