Brand is just a perception, and perception will match reality over time. Sometimes it will be ahead, other times it will be behind. But brand is simply a collective impression some have about a product.

Don’t just follow the trend. You may have heard me say that it’s good to think in terms of the physics approach of first principles. Which is, rather than reasoning by analogy, you boil things down to the most fundamental truths you can imagine and you reason up from there.

Going from PayPal, I thought: 'Well, what are some of the other problems that are likely to most affect the future of humanity?' Not from the perspective, 'What's the best way to make money?'

Automotive franchise laws were put in place decades ago to prevent a manufacturer from unfairly opening stores in direct competition with an existing franchise dealer that had already invested time, money and effort to open and promote their business.

Don't be afraid of new arenas.

My opinion is it's a bridge too far to go to fully autonomous cars.

Some people don't like change, but you need to embrace change if the alternative is disaster.