可持续发展不是一种选择；它是能源未来的必要条件。

世间没有什么能抵消春天的忧愁，不如对着苍天痛哭一场作罢。

The night is a world lit by itself.

In science, there is no such thing as a final answer.

"I always try to find the humanity in every character, no matter how flawed they may be."

The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.

你的工作将占据生活的一大部分，真正满意的唯一方法是做你认为伟大的工作。