I never liked anyone who didn't have a temper. If you don't have a temper, you don't have any passion.

In New York City, a lot of people think "the great outdoors" is the area between your front door and a taxi cab.

Cities with clean air gain an economic advantage, because where people want to live and work, businesses want to invest.

The Russian economy is way down because of the price of oil, and because the USSR was a big chunk of it.

I have my own army in the NYPD, which is the seventh biggest army in the world.

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.

We have always had, remember, small groups of both parties that split off. There were the "blue dog Democrats." There were the "Dixie Democrats." Democrats were never going to, ever again, pull together.