Yes, this is a dangerous time. Yes, this is a time full of shadows and fear. But we have been through worse before and we have faced more difficult days before. We have shown courage and determination, and skillful and inventive and courageous and committed responses to crisis before.

If the attitude of the teacher toward the material is positive, enthusiastic, committed and excited, the students get that. If the teacher is bored, students get that and they get bored, quickly, instinctively.

Read. Read every chance you get. Read to keep growing. Read history. Read poetry. Read for pure enjoyment. Read a book called Life on a Little Known Planet. It's about insects. It will make you feel better.

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 can fairly be called an amateur because I do what I do, in the original sense of the word - for love, because I love it. On the other hand, I think that those of us who make our living writing history can also be called true professionals.

He had kept his head, kept his health and his strength, bearing up under a weight of work and worry that only a few could have carried.

My strong feeling is that we must learn more about how we learn. I'm convinced that we learn by struggling to find the solution to a problem on our own with some guidance, but getting in and getting our hands dirty and working it.