Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.

Learning makes wise, but does not make happy.

迈向未知的每一步，都是理解世界和理解自己的一步。

数学中发现的快乐就像解开宇宙留给我们的谜题。

Let us unite, fight for the independence of the country, and the freedom of the people.

Hard work beats talent when talent doesn't work hard.