The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.

The only way to have a friend is to be one.

不要害怕失败，要害怕不去尝试。

The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

你应该向你的竞争对手学习，但永远不要抄袭。抄袭你就会死。

当你打开油漆或颜料时，哪怕只用一丁点，无论你多么小心，它总会沾到你的衣服，不妨准备好新的着装。

创新不仅仅是技术的问题；它关乎改变人们的思维和生活方式。

得到你想要的东西的代价是得到你曾经想要的东西。