"To travel is to discover that everyone is wrong about other countries."

释义：即使家庭贫困，也要保留读书的希望；即使生活富裕，也不能忘记劳动的艰辛。

对于人的责任，在于对待自己的本性，也同样适用于对待其他事物的本性。

The advancement of mathematics is through the continuous questioning of established truths.

The real giants have been those who have stood for something, who have had a clear idea of what they wanted to say and have said it with force and clarity.

我是一个非常积极的思想者，我认为这是我在困难时刻最帮助我的东西。