I Don't Know Why People Carry Guns.

Fifty Percent Of The World's Population Lives In Cities. In A Couple Of Decades, 70 Percent Of The World's Population Will Be Living In Cities. Cities Are Where The Problem Is. Cities Are Where The Solution Is, Where Creativity Exists To Address The Challenges And Where They Have Most Impact. This Is Why, In 2005, The C40 Was Founded, An Organization Of Cities That Address Climate Change. It Started With 18 Cities; Now It's 91. Cities Simply Are The Key To Saving The Planet.

I Tend To Be Reasonably Blunt, Maybe A Little Bit Too Much. But I Just- I Always Respected People That Tell The Truth. And I've Always Wanted People To Tell Me The Truth.

I Know A Con When I See One.

When I Came Into Office, People Said, 'billionaire? How Do They Live? What Do They Eat? How Do They Sleep?' Today, They See Me On The Subway Coming Uptown. A Couple Of People Say Hi, Some People Smile And Nod. Some People Just Sleep. It's Not An Issue.

Government Should Not Tell You What To Do Unless There's A Compelling Public Purpose.