Collaboration is key to tackling the world's energy challenges.

I think of other ages that floated upon the stream of life and love and death and are forgotten,and I feel the freedom of passing away.

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed exclude, in a manner, all other arts.

物理学的美丽在于它能够用几个简单的原理解释宇宙。

当你长时间凝视深渊时，深渊也在凝视着你。

除非有勇气远离海岸，否则你永远游不到新的地平线。