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

Sustainability isn't just about planting trees—it's about planting the right trees in the right places and ensuring they thrive for generations.

天地虽然广阔，但变化规律是相同的；万物虽然繁多，但治理原则是一致的。

I earnestly wish to point out in what true dignity and human happiness consists.

"Courage is not the absence of fear, but the triumph over it."

真理如狮子，不需要你为其辩护。放开它，它会自己辩护。