苏联是一个恐惧的文明，人们生活在持续的对夜间敲门声的恐惧中。

心是脆弱的东西，容易破碎，但也有着难以置信的韧性。

数学是科学大厦的基础。

我相信讲故事的力量能够连接人们。

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.