The attosecond timescale is to electron motion what the high-speed camera was to studying animal locomotion.

适应力是现代商业世界的通行货币。

你必须相信自己的直觉，追随自己的激情。

A person who is too nice an observer of the business of the crowd, like one who is too curious in observing the labor of bees, will often be stung for his curiosity.

Sustainability isn't an option; it's a responsibility we owe to future generations.

气候研究不仅是一个科学问题，也是一个社会问题。