Attosecond science allows us to capture the fastest motions in the microcosm, like freezing the wingbeat of a hummingbird.

记住，声誉和正直是你最宝贵的资产——而且可能一瞬间就丧失。

要理解意识，就要研究它在生存中的作用。

The only way to understand history is to live it.

The more you know, the more you realize you don't know.

儿童教育是人类最重要的一个问题。