The gift of language is the single human trait that marks us all genetically, setting us apart from the rest of life.

美是你内心的感受，它会反映在你的眼睛里。它不是物质的东西。

Life is nasty, brutish, and short.

The great tragedy of Science—the slaying of a beautiful hypothesis by an ugly fact.  

We’re here to put a dent in the universe.Otherwise why else even be here？

真正的领导力在于赋予他人实现他们认为不可能的事情的能力。