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

Freedom is a condition of mind,and the best way to secure it is to breed it.

People are not lazy. They simply have impotent goals - that is, goals that do not inspire them.

体育精神是在胜利时不沾沾自喜，在失败时不抱怨，并尊重对手的能力。

The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.

我不相信运气，我相信准备遇到机会。