“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.”

“There is, therefore, wisdom in reserving one's decisions as long as possible and until all the facts and forces that will be potent at the moment are revealed.”

“If you are selective about the things you choose to read, look at or listen to, then you are taking effective action against negative thinking. It's just like with a computer; if you change the input, you will change the output.”

“no one more sincerely wishes the spread of information among mankind than I do, and none has greater confidence in it's effect towards supporting free & good government.”