(from John Hay's diary) “The President never appeared to better advantage in the world,” Hay proudly noted in his diary. “Though He knows how immense is the danger to himself from the unreasoning anger of that committee, he never cringed to them for an instant. He stood where he thought he was right and crushed them with his candid logic.

People tease me about knowing somehow that Obama would put Clinton into the cabinet, and everybody would talk about a team of rivals.

What I think I've learned is that you're never going to get it all right, and you can't obsess about having a fact wrong or a date wrong or something like that, as long as you tried as best you could. If you've done the kind of research that you're sure is pretty good, then you just have to have confidence in it, so that nothing is perfect in life. I think that is what the criticism has helped me to understand.

I liked the thought that the book I was now holding had been held by dozens of others.

An adult friend of Lincoln's: "Life was to him a school.

Whatever it is that you do, if you have that passion and desire for it, that's the most important thing.

I think that's still what the American Dream means: that with perseverance, with hard work, you can become something, that the classes won't prevent you from becoming, that there's a movement up that ladder with hard work.