科学是一股向善的力量，但前提是我们明智地使用它。

And when you do I want you to know this， remember this: there is no such thing as failure. Failure is just life trying to move us in another direction. Now when you’re down there in the hole， it looks like failure. So this past year I had to spoon feed those words to myself.

Man is least himself when he talks in his own person. Give him a mask, and he will tell you the truth.