I always try to buy stocks that are undervalued and sell them when they become overvalued.

"As scientists, we have a responsibility to communicate our findings to the public in a way that is accessible and understandable."

做出伟大工作的唯一途径是热爱你所做的事。

The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.