数学是给不同事物以相同名称的艺术。

正是在我们最黑暗的时刻，我们必须集中精力看到光明。

You don't have to be brilliant, only a little bit wiser than the other guys, on average, for a long, long time.

When you start with a new team, you start from zero. No matter what you achieved in the past.

The only way to learn mathematics is to do mathematics.

不论你怎么看待历史，历史都会在你身上留下痕迹。

We cannot always assure the future of our friends, but we have a better chance of assuring our future if we remember who our friends are.

Success is a team effort; no one achieves greatness alone.