“I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.”

“It's not as though we can keep burning coal in our power plants. Coal is a finite resource, too. We must find alternatives, and it's a better idea to find alternatives sooner then wait until we run out of coal, and in the meantime, put God knows how many trillions of tons of CO2 that used to be buried underground into the atmosphere.”

“Great companies are built on great products.”

“I had so many people try to talk me out of starting a rocket company, it was crazy.”

“I've been to Disneyland, like, 10 times. I'm getting really tired of Disneyland.”

“I'm constantly amazed that owners and managers of all businesses don't train their people to call the person who pays by credit card by name. It definitely makes the customer feel good and will be a factor in bringing them back to your place of business.”

“People don't buy for logical reasons. They buy for emotional reasons.”

“You shake a slogan at an American and it's just like showing a hungry dog a bone.”