The proper study of psychology is the prediction and control of behavior.
"To define is to limit."
历史不会重演,但总会惊人地相似。”
世界是美丽的,但它有一种叫做人类的疾病。
国家不过是一个阶级对另一个阶级进行压迫的机器。
The past is never dead. It's not even past.