"We don’t make money when we sell things. We make money when we help customers make purchasing decisions."

"I know what I'm doing. I'm building a company that will last for 100 years."

"I think that the most important thing is to be customer-obsessed, not competitor-obsessed."

"If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to…"

"I didn't think I'd regret trying and failing. And I suspected I would always be haunted by a decision to not try at all."