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？
The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.
The quality of an organization is determined by the quality of its people.
海洋不仅仅是一种资源；保护它是我们对后代的责任。
A mathematician is a device for turning coffee into theorems.
Understanding the limits of computation is as important as understanding its possibilities.