我们不断改进我们的模型以提高性能。
行为主义者放在自己面前的规则或衡量标准总是:我能否用"刺激和反应"来描述我所看到的这一行为?
有时最危险的人恰恰是那些看起来最普通的人。
The only purpose for which power can be rightfully exercised over any member of a civilized community, against his will, is to prevent harm to others.