"To live is the rarest thing in the world. Most people exist, that is all."

解释：受宠而不骄横，骄横而能安于下位，地位在下而不怨恨，怨恨而能克制的人，是非常少见。

写作本身就是希望。

Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

Natural gas will play a critical role in the transition to a lower-carbon future.

健康的公民是国家最大的财富。