"And I just take this, a good sharp whittling knife like this and cut away everything that does not look like a guitar."

VOA: standard.2010.07.06

Then I insulate everything, you know, take it away and see if there's any heat flow.

然后让所有东西与它绝热，把它拿走看看有没有,热量流动。

麻省理工公开课 - 热力学与动力学课程节选