If you don't visit a bad neighborhood, it might visit you.

If you don't visit the bad neighborhoods, the bad neighborhoods are going to visit you.

No matter what your profession – doctor, lawyer, architect, accountant – if you are an American, you better be good at the touchy-feely service stuff, because anything that can be digitized can be outsourced to either the smartest or the cheapest producer.

The Arab world had a big problem of frankly venal elites. That is why these revolutions happen, because people didn't think the opportunities were being shared fairly.

I've always believed the world would be a better place if more people everywhere have a chance to shape their own future and realize their full potential. I think that is what life is about.

America is the greatest engine of innovation that has ever existed, and it can't be duplicated anytime soon, because it is the product of a multitude of factors: extreme freedom of thought, an emphasis on independent thinking, a steady immigration of new minds, a risk-taking culture with no stigma attached to trying and failing, a noncorrupt bureaucracy, and financial markets and a venture capital system that are unrivaled at taking new ideas and turning them into global products.

All one needs to do is just to go to any hospital in America and see the number of Pakistani or Indian or Lebanese, or Syrian, or Egyptian doctors, who are either first generation or themselves immigrants, to know, and I'm a big believer - brains are distributed evenly around the world. What aren't distributed evenly are opportunities, stable government, educational institutions, etc.