To find the force, what you will do is, suppose somebody says, "Hey, I've got a new force.

为了找出这些力,你们要做的是,假设有人说,"嘿,我发现了一种力

耶鲁公开课 - 基础物理课程节选

Suppose somebody said, "Yeah, it's true if I thought about the nature of death, the fact that the 50, 80, 90 years I've got on this Earth is all I'm going to have.

假设有人说，“没错如果我考虑了死亡的本质，我还有50，80，90年存活于世,我还有这么多年可活这个事实。

耶鲁公开课 - 死亡课程节选