理解心灵需要理解符号如何根植于感知和行动。

These are my new shoes. They're good shoes. They won't make you rich like me, they won't make you rebound like me, they definitely won't make you handsome like me. They'll only make you have shoes like me. That's it.

If something fails where you thought it would fail， that is not a failure.

科学不在于正确，而在于减少错误。