"We must constantly challenge our assumptions and be willing to change our minds."

I like to think of mathematics as a kind of poetry.

The essence of mathematics lies in its freedom.

I don't let anyone control me.

The most important thing is to be honest with yourself.

读报或者看电视新闻时，总是难免碰上一个又一个的为社会问题的解决提供了新的解决方案的人。

幸福不是现成的东西。它来自你自己的行动。

The road to success is always under construction.

建筑必须扎根于地面，同时向天空敞开。