The Greeks understood the mysterious power of the hidden side of things. They bequeathed to us one of the most beautiful words in our language—the word 'enthusiasm'—en theos—a god within.

Every mathematical theorem is a story waiting to be told, a mystery waiting to be unraveled.

真正的挑战不是生产更多粮食，而是用更少的浪费更聪明地种植。

The most significant threat to liberal democracy today is not from the outside, but from within.

心有自己的地理，自己的天气。