You see they had to explain to themselves as well as the audience, ?" "how come this lecture is larger than the Introduction to Economics?"

因为他们要说服自己，说服观众，“这门课怎么会比经济学导论跟热门“

哈佛公开课 - 幸福课课程节选

The physicalist says we don't need to appeal to anything as extravagant as a soul in order to explain the fact that bodies don't just move randomly, but they move in purposeful ways that are controlled.

物理主义认为,我们并不需要诉诸任何,像灵魂那样夸张的东西来解释,为什么肉体不会随机乱动,而是在控制下进行的有目的的活动

耶鲁公开课 - 死亡课程节选