You must first be willing to fail — and you must have the courage to go for it anyway.

I don't believe that government is good at picking technology, particularly technology that is changing. By the time you get it done and go through democracy, it's so outdated.

You can buy almost anything anyplace in the world. You can get it delivered in 24 hours. You can pay for it on credit or just by swiping something. So, I don't know that the world is worse off, in that context, than before.

We should remember it wasn't so long ago that confidence in New York was in short supply.

Trees will improve property values, take pollutants out of the air, help with water runoff.

Go walk the streets of Beijing. It's pretty hard to argue it isn't a modern city. Now, if you go outside [of Beijing], in the rural areas, that's true. But rural America, you can say the same thing, in Appalachia there's an awful lot of poverty and lack of education.

Nobody's going to elect me president of the United States.