理解人类认知的关键在于理解符号是如何被操作的。
The key to understanding human cognition is to understand how symbols are manipulated.
不要为了得到世界而失去你的灵魂，智慧比金银更宝贵。
If your opinions on one subject can be predicted from your opinions on another， you may be in the grip of an ideology. When you truly think for yourself your conclusions will not be predictable.
The details are not the details; they make the design.