Sometimes you have to be knocked down lower than you have ever been to stand back up taller than you ever were.
有时候你必须被打倒得比以往任何时候都低，才能站得比以往任何时候都高。
最激动人心的发现往往来自于以全新的方式看待老问题。
The beauty of physics lies in its ability to explain the complex with the simple.
I think that the most important thing is to be honest with yourself and with your audience.
在像水泥这样传统的行业中，颠覆是进步的唯一途径。