Yet somehow it was transformed into, what it's turned into, a beautiful thing, although not without pain. -Yes.

但您的一生却，得以转化成另外一种美，尽管伴随着苦痛，-是的。

普林斯顿公开课 - 人性课程节选

Any of you who have access to a four- or five-year-old, a sibling or something-- Do not take one without permission, but if you have access to a four- or five-year-old you can do this yourself.

如果你身边有四五岁大的孩子,兄弟姐妹什么的,一定要先得到同意再去试验,如果你身边有四五岁大的孩子,你可以自己去试试

耶鲁公开课 - 心理学导论课程节选