世界是一本书，不旅行的人只读了一页。

"The best leaders are those who develop other leaders."

The beauty of mathematics lies not in its complexity but in its simplicity and the way it reveals hidden truths.

The most sustainable product is the one that already exists.

"The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter."

解释：不谦让， 就会不团结; 不团结， 就不可以出师远征。

当没有人相信你的时候，你必须相信自己——这就是让你成为赢家的原因。

对于非凡的主张，证据的分量必须与其奇特程度成正比。

生命是一首歌，用你的方式唱它。