But in order to do so, you have to use terms like "punishment" and "reward" and "reinforcement" in such a vague way that in the end you're not saying anything scientific.

但如果你要这样去做，你就必须将惩罚，奖励“,强化之类的术语概念模糊化,最终你所作出的解释便毫无科学性。

耶鲁公开课 - 心理学导论课程节选

And before we go into some of the technicalities of the class such as the syllabus, I want to end with a story about Peter Drucker.

在我们开始讲本课程的一些细节比如教学大纲之前，我想先讲一个关于Peter，Drucker的故事。

哈佛公开课 - 幸福课课程节选