The mistake that was made in the '70s is we stopped policing the streets, we stopped cleaning the streets, we stopped cleaning the graffiti off buildings, we stopped supporting our cultural institutions and building parks and schools and all those kinds of things.

For sure I would prefer Trump had not withdrawn from the Paris Agreement. But the fight against climate change is really done at the local level - whether it's cities, local governments or the private sector, corporate and individual. No matter what Trump says, nobody is going to go back and take the scrubber out or change back to polluting. The damage that Trump can do is if there are countries that are on the fence about whether they want to address the issue, this gives the naysayers, the doubters, those that don't want to do anything, a little more ammunition.

You have to understand, we have better communications and better transportation, so people know what's available elsewhere and can get a message out, and you can move things. And you [can] say that the economy is more unpredictable.

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.

What goes on in Europe concerns us greatly because, if Europe comes apart, the E.U. comes apart, then you're going to have enormous impact on America, that's a very big trading partner of ours, and people own securities around the world in this day and age.

In our democracy, near equality is no equality. Government either treats everyone the same, or it doesn't. And right now it doesn't.

We may not always agree with every one of our neighbors. That's life. And it's part of living in such a diverse and dense city. But we also recognize that part of being a New Yorker is living with your neighbors in mutual respect and tolerance. It was exactly that spirit of openness and acceptance that was attacked on 9/11, 2001.