We'll never find Truth in her entirety, at least not until the Second Coming, and who knows when that will be?

我们永远找不到完整的真理，至少在第二次到来之前不能，谁知道那将是什么时候呢？

耶鲁公开课 - 弥尔顿课程节选

We probably don't find any forms of the Cassava plant ever in the U.S.

在美国很可能永远都找不到,任何形式的有这么高含量的。

麻省理工公开课 - 化学原理课程节选

It looks like a tautology because you're never able to show me something that moves forever at a constant velocity, because every time you don't find such a thing, I give an excuse, namely, a force is acting.

这听上去像个死循环,因为你不可能,找到永远匀速运动下去的物体,因为每当你找不到这样的物体时,我就会给出一个理由,也就是,有力作用在上面

耶鲁公开课 - 基础物理课程节选