行为不仅仅是对刺激的反应，而是由期望和目的引导的。

The pursuit of happiness is not about feeling good all the time, but about striving toward meaningful goals.

People, even more than things, have to be restored, revived, reclaimed and redeemed;never throw out anyone.

物理学的目的不是描述自然，而是理解自然。

记忆是脆弱的——容易被扭曲，容易丢失。