When you close your eyes and imagine the person you're going to be in 10 years, this area of your brain is totally deactivated – it's treating the person you are going to become as a stranger. This is why people have such a hard time getting prostate exams, staying on a diet, quitting smoking, because the person who is going to benefit the most from these things is literally not you.

The only way to engineer virality and make a product work is to understand the consumer, and that changes from city to city, from country to country.

Distrust in government is very dangerous – what follows is the ability for authoritarian and totalitarian forms of government to take control, and that doesn't do anybody, any good.

The most straightforward way to create value is to solve a problem. When you provide a solution to someone's problem, by default, you're generating value for that person. Consequently, my perspective is that this journey must always begin with a problem.

I do not talk about life and death – I talk about birth and death, they are opposites, and life is simply a continuum of both, and you cannot have one without the other.