"The past is never dead. It's not even past."

Programmers are not to be measured by their ingenuity and their logic but by the completeness of their case analysis.

There is no greater agony than bearing an untold story inside you.

I think we have a unique culture at Amazon that encourages both risk-taking and long-term thinking.

"Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world."