An expert is a person who has made all the mistakes that can be made in a very narrow field.

On pricing: "There are two kinds of companies， those that work to try to charge more and those that work to charge less. We will be the second."

"The truth is that literature is the only way to overcome death."

引力解释了行星的运动，但它不能解释谁让行星运动。

让我们去创造明天，而不是为昨天担忧。