The test of a psychological theory is its applicability to life.

"The pursuit of knowledge is a journey that never ends, filled with challenges and triumphs."

反射是神经活动最简单和最常见的形式。

I love to compete. That's what I do. That's why I work so hard at it.

法律是一个规则系统，是义务的主要规则与承认、变更和裁决的次要规则的结合。

人生就是当你忙着制定其他计划时发生的事情。