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To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.

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.

天上永遠不會掉下玫瑰來，如果想要更多的玫瑰，必須自己種植。

可持續性不是一種選擇；而是我們對后代的責任。

In the world of mathematics, imagination is more important than knowledge.