Any business plan won't survive its first encounter with reality. The reality will always be different. It will never be the plan.

I strongly believe that missionaries make better products. They care more. For a missionary, it's not just about the business. There has to be a business, and the business has to make sense, but that's not why you do it. You do it because you have something meaningful that motivates you.

Because, you know, resilience - if you think of it in terms of the Gold Rush, then you'd be pretty depressed right now because the last nugget of gold would be gone. But the good thing is, with innovation, there isn't a last nugget. Every new thing creates two new questions and two new opportunities.

Where you are going to spend your time and your energy is one of the most important decisions you get to make in life.

If you look at academic studies, you can see that stock prices are most closely correlated with cash flow. It's such a straightforward number. Cash flow is what will drive shareholder returns.

What's dangerous is not to evolve.

Though we are optimistic, we must remain vigilant and maintain a sense of urgency.