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

The World Trade Center site will forever hold a special place in our city, in our hearts. But we would be untrue to the best part of ourselves and who we are as New Yorkers and Americans if we said no to a mosque in lower Manhattan.

Despite its potential, the federal government has restricted funding for creating new cell lines - putting the burden of any future research squarely on the shoulders of the private sector. Government's most basic responsibility, however, is the health and welfare of its people, so it has a duty to encourage appropriate scientific investigations that could possibly save the lives of millions.

I was a Democrat before I was a Republican before I became an independent and I never changed my principles.

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.

We can be certain that cities around the world will compete for the jobs that the next revival of the financial services industry will bring.

What I'm trying to do is to create excitement. So people looking at the Bloomberg's office building say, "My goodness, what's going on here? There's something different about this company." You want the employees to get psyched. And it's a chance to meet each other. My job is to get people to work together. With free food and no offices, even for Bloomberg, this might be considered one of the world's great corporate headquarters.