So, he writes: To the psychologist alone can such questions occur as: Why do we smile when pleased and not scowl?

他这样写到：,对哲学家本身说,会出现这些问题：,为什么开心时我们微笑而非皱眉？

耶鲁公开课 - 心理学导论课程节选

The first step to insight is to ask questions like why do things fall down and not up?

起初的洞察力是问问题,为什么物体坠地而不是上升？

耶鲁公开课 - 心理学导论课程节选

So, the radical idea here is you might not know what--why you do what you do and this is something we accept for things like visual perception.

由此引出的一个偏激的观点,你根本不知道自己为何要这么去做,这有点像我们获得视觉感知的过程。

耶鲁公开课 - 心理学导论课程节选