有机体感知的不是刺激，而是环境中的物体。

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.

A good system design is one that makes it easy to do the right thing and hard to do the wrong thing.

科学不仅仅是寻找答案，更是提出正确的问题。

质量比数量更重要，一个本垒打胜过两个二垒安打。