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In a crisis, the priority is to stop the bleeding.

Success is the best revenge.

我不是一個活在過去的人。我總是向前看。

The study of computational complexity is not just about solving problems, but also about understanding the limits of what can be computed.

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."