What did you learn about how easy or hard it is to keep track of what food intake is?

你从记录食物摄入过程中,学到了什么,记录饮食是难是易

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

On the whole I think it fair to say that human history is a record of the ways in which human nuture has been sold short.

整体来说，我认为人类历史,是人性逐渐缺失的过程的,一个记录。

哈佛公开课 - 幸福课课程节选