我们最高的努力必须是培养自由的人类，他们能够自己赋予生活目的和方向。
Our highest endeavor must be to develop free human beings who are able of themselves to impart purpose and direction to their lives.
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.