The most important thing is to be passionate about what you do.

    ——日本人想控制上海，想尽一切办法、千方百计对杜月笙进行拉拢，杜月笙如是说。

In business, you have to be willing to take risks, but they must be calculated risks.

数学中的合作可以带来任何单一思维都无法独自实现的发现。