We are all the sum of our contradictions.
实现明天的唯一限制将是我们今天的疑虑。
I don't know how to do anything half-way.
And when your stomach is empty and your mind is full,it's always hard to sleep.
在化学中，就像在生活中一样，最深刻的真理往往是最简单的。
The worst thing in the world that can happen to you if you’re an engineer that has given his life to something is for someone to rip it off and put their name on it.