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Fear is not the enemy. It is the refusal to face it that destroys us.

I'm a true believer that if you put in the work, the results will come.

What I remember above all about Harvard was being in the midst of so much energy and intelligence. It could be exhilarating, intimidating, sometimes even discouraging, but always challenging. It was an amazing privilege…and though I left early, I was transformed by my years at Harvard, the friendships I made, and the ideas I worked on.

看一個人的操守，在其利害得失時；看一個人的精力，在其饑餓疲倦時；看一個人的度量，在其面臨喜怒哀樂時；看一個人的沉著，在其有驚嚇時。

天然氣領域的創新是可持續能源未來的關鍵。

可持續性是采石業的未來，我們必須立即行動。