旅行对偏见、固执和狭隘是致命的。

The more we learn about the universe, the more we realize how much we have yet to discover.

"I think that mathematicians are much more like artists than they are like scientists."

制革厂的废物流比任何使命宣言都更清晰地讲述其道德故事。

我成功的秘诀就是忠于自我。