I could not do what I do without the kindness, consideration, resourcefulness and work of librarians, particularly in public libraries... What started me writing history happened because of some curiosity that I had about some photographs I'd seen in the Library of Congress.

I think that we need history as much as we need bread or water or love.

They must be cool but determined...he threatened instant death to any man who showed cowardice.

You can make the argument that there's no such thing as the past. Nobody lived in the past. They lived in the present. It is their present, not our present, and they don't know how it's going to come out. They weren't just like we are because they lived in that very different time. You can't understand them if you don't understand how they perceived reality.

Love of learning will never let you down. You can have a quest for money, you can have a quest for power, you can have a quest for fame and they are sometimes gratifying and sometimes self-destructive. The love of learning is always gratifying and never self-destructive. The more educated, the more cultivated a society becomes, better off is everybody.

I think it is one of the most extraordinary elections, a turning point for our country and for the world. That remarkable young man [Barack Obama] has kept his demeanor, kept his temperament and has shown a power to inspire. I see what energy that he has inspired among the young. Well, it inspires us old goats too.

I feel that history is in many ways the most important of all subjects because it is about everything and because it's about who we are and how we came to be the way we are.