“If you have a fear of flying, don't. The data are very clear: If you have to travel someplace, the safest way is by airplane.”

“I think that we're living in a time where there are trillion-dollar opportunities that never existed before.”

“We live in a world bathed in 5,000 times more energy than we consume as a species in the year, in the form of solar energy. It's just not in usable form yet.”

“Super-ambitious goals tend to be unifying and energizing to people but only if they believe there's a chance of success. ”

“Nothing is more precious than life... especially the life of your child.”

“At its core, bitcoin is a smart currency designed by very forward-thinking engineers. It eliminates the need for banks, gets rid of credit card fees, currency exchange fees, money transfer fees, and reduces the need for lawyers in transitions... all good things.”

“I think we're heading towards a world of what I call 'technological socialism.' Where technology - not the government or the state - will begin to take care of us. Technology will provide our healthcare for free. The best education in the world - for free.”

“Regardless of what the naysayers believe about human interaction and social media, the data show us that the abundance of technology is actually increasing the abundance of happiness all over the world.”

“Many people who try to do big bold things in the world find out it's not about the money or the technology: It's about the regulatory hurdles that will try and stop you.”

“When hiring, trust your feelings.”

“My personal fascination with the power of the crowd has been growing: Exactly what can a 'crowd' accomplish? We know crowds can raise billions of dollars, create Wikipedia, and even design and build small autonomous drones. But how about something large and complex like designing a new car, and maybe someday even a spaceship?”