数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。

I want to inspire people. I want someone to look at me and say, 'Because of you, I didn't give up.'

The worst thing in the world that can happen to you if you're an engineer that has given your life to something is for someone to rip it off and put their name on it.

可持续性必须成为我们在石油和天然气行业每一个决策的核心。