自然为万物安排了合适的时间。

The best ideas often come from listening—to your team, your customers, and even your competitors.

开玩笑是件严肃的事情。

"There is no such thing as a moral or an immoral book. Books are well written, or badly written."

"I think that we communicate only too well, in our silence, in what is unsaid."

The unity of mathematics is not an illusion but a reality waiting to be uncovered.