We are all time capsules carrying fragments of the past.

宇宙不仅比我们想象的更奇怪，它比我们能想象的还要奇怪。

我们不是从祖先那里继承了地球；我们是从子孙那里借来的——这一信念塑造了我们所做的一切。

You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.

最难的是让事情变得简单。

随机实验是因果推理的黄金标准，但它们并不总是可行的。