Psychology is the science of the act of experiencing, and deals with the whole system of such acts as they make up mental life.

Psychology is the science of the act of experiencing, and deals with the whole system of such acts as they make up mental life.

心理学是一门研究体验行为的科学，它研究构成精神生活的这种行为的整个系统。

-- Samuel Alexander 萨缪尔·亚力山大