“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.”

“What a benefit would the American government, not yet relieved of its extreme need, render to itself, and to every city, village and hamlet in the States, if it would tax whiskey and rum almost to the point of prohibition! Was it Bonaparte who said that he found vices very good patriots? "He got five millions from the love of brandy, and he should be glad to know which of the virtues would pay him as much." Tobacco and opium have broad backs, and will cheerfully carry the load of armies, if you choose to make them pay high for such joy as they give and such harm as they do.”

“The goof man, in dealing with his people, taxes them with luxury.”

“If you tax too high, the revenue will yield nothing.”