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.
The key to success lies in persistence and hard work.
我们手里的金钱是保持自由的一种工具；我们所追求的金钱，则是使自己当奴隶的一种工具。
Mental phenomena are nature's experiments in survival.