在数学中，提出问题的艺术必须比解决问题更有价值。

Virtue is more to be feared than vice， because its excesses are not subject to the regulation of conscience.

Profitability and sustainability are not opposites - they're two sides of the same coin.

I'm the reason your stars won't twinkle.

"The world is a book, and those who do not travel read only one page."

人生不是自己选择的，但也是选择的。

跨行业合作是解决全球森林砍伐挑战的关键。

"The profession of book writing makes horse racing seem like a solid, stable business."

云是下一波创新的基础。