勇气不是没有恐惧，而是继续前进的意志。

The best policies are those that listen to both science and tradition.

人们早已忘记了这个道理。可是你不应将它遗忘。你必须永远对自己所驯服的东西负责。你要对你的玫瑰花负责。

The power of abstraction is that it allows us to ignore details that are not relevant to the task at hand.

"You can't do anything about the length of your life, but you can do something about its width and depth."

如果我们的动力是钱的话，我们老早就卖掉公司了，当然那样我们也终究会被后浪拍在沙滩上。