Lincoln made mistakes. Roosevelt made mistakes. Eisenhower made mistakes. The Battle of the Bulge was the biggest intelligence failure in American military history, much bigger than any in Vietnam or now. We didn't know that the Soviets were moving 400,000 or 500,000 troops. We missed it.

Our safety requires a long-term military presence in the Middle East because that's where the plans to attack us are emanating.

There are terrible, terrible memories of September 11th, things that I saw, people that I lost, the devastation, the identification of bodies. I mean, all these memories come back to you at different times. And then the other side of it this tremendous response with the firefighters and the police officers saving people, the rescue workers.

Blacks commit murder eight times more per capita than any other group in our society. If I had put all of my police officers on Park Avenue and none in Harlem, thousands and thousands more blacks would've been killed during the eight years that I was mayor.

Leadership is about vision and responsibility, not power.

We know that companies which have more women in leadership positions have a better performance.

A functioning democracy cannot stand when its people do not trust their leaders to uphold the law.

Trump has got to, I think, move to a new level. This is no longer the primaries. He's no longer an interesting contender. He is now the potential leader of the United States and he's got to move his game up to the level of being a potential leader.