And where we where at the start of the 20th Century in the late 1890's is that we were at a place where there was great confidence in our understanding of the universe, and our understanding of how all matter worked.

0世纪开始讲起,在19世纪的九十年代,人们对于自己,对自然的理解,对自然所有物质,如何工作的理解十分自信。

麻省理工公开课 - 化学原理课程节选

I do try to start a few minutes late, but I also have to finish a few minutes early so you can go to your next class.

我已经推迟上课好几分钟了,我还得提前下课,好让你们能赶上下一节课

耶鲁公开课 - 基础物理课程节选

Not until late A,when the brain gets put together,that I start to exist.

直到晚期A阶段，大脑慢慢构建起来我才存在。

耶鲁公开课 - 死亡课程节选