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.

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

I've always thought if we don't want to enforce laws on the books, we should remove them from the books. But when you have laws, you breed contempt if you don't enforce them.

The truth of the matter is: you can create a great legacy, and inspire others, by giving it to philanthropic organizations.

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

You know, Russia today is, what, 200 million people? In land mass, it's probably 50 times the size [of Japan], in natural resources a hundred times the size! Russia's not doing all that badly. The public there - not everybody - but they have things that the West offered, [that] were only available in the West a long time ago.

My father, a bookkeeper who never earned more than $11,000 a year in his life, sat there, writing out a $25 check to the NAACP. When I asked him why, he said discrimination against anyone is discrimination against us all. And I never forgot that. Indeed, his philanthropy was a gift, not just to that organization, but to me.