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

Certification is the grammar of responsible forestry.

最伟大的实验是那些挑战我们认为我们知道的东西的实验。

唯一能拯救世界的是重新发现人类的灵魂。

To do things with words is not a special kind of doing， but a special kind of speaking.

科学是一段旅程，而非终点。