Innovation comes from saying no to a thousand things to focus on the few that really matter.

Train employees well enough they could get another job， but treat them well enough so they never want to.

Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

The best way to predict the future is to invent it.

就有关2003年美国入侵伊拉克后伊发生洗劫事件的评论。

"Writing is an act of courage—you have to be willing to expose your deepest thoughts."

解释：处于安全环境时要考虑到可能出现的危险，考虑到危险就会有所准备，事先有了准备就可以避免祸患。

心如止水，世间万事皆可平。

我们必须超越碳信用——真正的影响来自全面的土地管理。