Psychology should concern itself not with static elements, but with the dynamic interplay between organism and environment.

When men are most sure and arrogant they are commonly most mistaken， giving views to passion without that proper deliberation which alone can secure them from the grossest absurdities.

闭上眼睛去看。

记忆是个狡猾的东西；它既可以是安慰，也可以是诅咒。