规模和价值效应是持续存在的异常现象，对有效市场假说提出了挑战。
The key to success is to focus on creating value, not just making money.
爱不是占有，而是奉献。
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.
Innovation is not just about creating something new; it's about improving what already exists.