Treat a man as he can and should be, " and he shall become as he can and should be."

一个人能够或应该怎样便怎样待他，他便会成为能够怎样或是应当怎样的人“

哈佛公开课 - 幸福课课程节选

How diseases spread, how they can be treated or cured, when they kill somebody.

病情如何蔓延,应该怎样治疗或治愈疾病,它们什么时候会置人于死地

耶鲁公开课 - 死亡课程节选