一本书就是你握在手中的一个梦想。

For the past 33 years， I have looked in the mirror every morning and asked myself: 'If today were the last day of my life， would I want to do what I am about to do today？' And whenever the answer has been 'No' for too many days in a row， I know I need to change something.

预见数学未来的真正方法是研究它的历史和现状。

Education is the most powerful weapon which you can use to change the world.

无论我们在哪里，我们听到的大部分是噪音。当我们忽略它时，它困扰我们。当我们倾听它时，我们发现它很迷人。

Sometimes we get sad about things and we don’t like to tell other people that we are sad about them.

我喜欢把熟悉的东西拿来做一些意想不到的事情的想法。

我从不回头看，我向前看。