能者做事，不能者教书。

"Theatre is the art of making absence present."

无常是生死的自然法则。

成功是一段旅程，而不是终点。

开放与合作是技术发展的加速器。

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."

I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.