Happiness and unhappiness depend upon the opinion we have of things.

I have always believed that music can unite people, regardless of their differences.

我们可能变老了，但音乐让我们保持年轻的心。

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.

Customer satisfaction should be the driving force behind every business decision.

"Writing is a way of thinking, a way of exploring the world and oneself."