"A book is a dream that you hold in your hand."
一本书就是你握在手中的一个梦想。
黄金法则永远不会过时，它是所有其他美德的基础。（黄金法则：想要别人怎么对待你，你就要怎么对待别人）
The only way to learn mathematics is to do mathematics.
Improve yourself through reflection.
The biggest risk is not taking any risk. In a world that is changing quickly, the only strategy that is guaranteed to fail is not taking risks.