As far as I'm concerned any business that's up and running within an hour of having mortar [attacks shows remarkable resilience].

The problem with market research is that people don't think what they feel, don't say what they think, and don't do what they say.

If you look historically at the historical contours of wealth- it's primarily created through private ownership. That's always been the case- and I believe it always be.

The displacement that people face is now over generations not just years. The old model was to keep people alive until they go home. That model is broken, less than 3% of the world's refugees went home last year.

Too often when we find someone disagreeing with us, our question is about why. Why do you believe this ridiculous thing? What tends to work better is a how question... This kind of approach helps to view the real complexity of a situation and reveals gaps in knowledge.

The discovery of an effective HIV vaccine is the nirvana for all our efforts to prevent AIDS.

We enter into love affairs often based on our individual mythology, rather than a shared one, driven by expectations shaped by our family backgrounds. We are essentially strangers continuously striving to understand each other.

We get more energy from air than from food or drink. So, if we're absorbing that energy inefficiently, it's bound to catch up to us. A useful analogy is food: you can survive on a diet of 12 cookies a day, getting enough calories, but it's not nourishing, nor does it allow your body to operate efficiently.

Our brains are not wired to think statistically or in terms of probabilities. That's sad because whole industries have emerged to exploit this reality – top of the list, casinos. The whole point of the scientific method is to do all you can to prevent yourself from thinking something is true that is not.