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.

The exploration of computational complexity is a journey into the unknown, where each discovery opens new doors.

制造链式反应堆的基本点是正确安排材料。

No man or woman is worth your tears， and the one who is， won‘t make you cry。