So, if any of you doesn't want to be, by chance, seen on the Internet, then sit out of range of the camera.

如果你们不想要，意外地，出现在网上的话，那么就坐在摄像机拍摄的范围外。

麻省理工公开课 - 固态化学导论课程节选

Why do I believe in certain planets too far away to be observed directly through a telescope?

我为什么会相信在望远镜正常观测范围外的,遥远之处存在行星

耶鲁公开课 - 死亡课程节选