I will say that walking down the street, getting on the subway, taking the elevator, if there's one or two people and they say, 'Great job, Mayor,' that is a real turn-on. I mean, anybody that wouldn't find that satisfying, rewarding, exciting, thrilling - I think they should see the doctor.

The one thing computers have done is let us make bigger mistakes. We have to be careful not to depend on our machines.

By speeding the transition to cleaner energy, we can improve the lives of billions of people, while also reducing the risks we face from a changing climate.

Taxes are not good things, but if you want services, somebody's got to pay for them so they're a necessary evil.

If it wasn't for O'Flanagan's Pub on Manhattan's Upper East Side, I don't know where I would have spent my Friday nights as a young man.

New York has been, and will continue to be, a magnet for people from all over the world. This is where the arts, business, research and technology converge to create the world's foremost urban economy.

I think if you look at people, whether in business or government, who haven't had any moral compass, who've just changed to say whatever they thought the popular thing was, in the end they're losers.