By experiencing these emotions, whether the ups and the downs, what you are doing is being, being a human being.

通过体会这些情绪，不论是起是落，你正在做的是，作一个人。

哈佛公开课 - 幸福课课程节选

As you get older, your human capital evolves and it has its ups and downs as you age and you start switching from human capital to other forms of capital.

随着年龄增长，你的人力资本不断发展,它随着你的年龄不断起伏,你的人力资本开始,转变成其他形式的资本。

耶鲁公开课 - 金融市场课程节选