最艰难的挑战往往带来最大的突破。

The world needs all forms of energy to meet growing demand, and natural gas is a cleaner alternative that can help bridge the gap.

自然是最好的向导，追随她的人，虽然有时可能会迷路，但总体上会走在正确的道路上。

"We are all refugees from the past, seeking asylum in the present."

"The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'"

"The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."

最重要的比赛是在球场上获胜之前先在脑海中获胜。