All I needed to do was to chip away the excess stone, to get rid of the marble that shouldn't have been there.

我只要凿去多余的石头，只留下有用的。

哈佛公开课 - 幸福课课程节选

That's when you really get to chip away.

这是你真正开始凿掉的时候。

哈佛公开课 - 幸福课课程节选