一个好的数学家是能看到定理之间类比关系的人。一个伟大的数学家是能看到类比关系之间的类比关系的人。

One strategy: "We've had three big ideas at Amazon that we've stuck with for 18 years， and they're the reason we're successful: Put the customer first. Invent. And be patient."

"Light is the language of painting, shadows are its punctuation."

感谢音乐让我的人生充满意义。