Democracy... while it lasts is more bloody than either aristocracy or monarchy. Remember, democracy never lasts long. It soon wastes, exhausts, and murders itself. There is never a democracy that did not commit suicide.

True innovation comes from faith in the future.

To do mathematics is to engage in an act of creation and discovery simultaneously.

人生就像一场逆行的旅程，我也只是其中的一个过客。