But then I got to college and they said, "Well, if you're thinking about anything bio biopsychology, biology -- you have to take chemistry."

但我去了大学后别人都说：,“如果你要学关于生物的课程,生物心理学，生物医学，你就必须学化学“

麻省理工公开课 - 化学原理课程节选

Now when he said it, he was a medical doctor at Oxford University.

说这话时，他是牛津大学的医学博士。

哈佛公开课 - 幸福课课程节选