Our obligations to our country never cease but with our lives. - John Adams

I feel that as much as I enjoy loafing, there is something higher for which to live.

The first of all qualities of a general is courage.

I don't pick my presidents because they were great presidents. I'm not much interested in ranking presidents and who is the best and who is the worst. I am much more inclined to be interested in them if they had an interesting life and if they were a complete person - and by that I mean they also had flaws and failings.

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.

I had been writing for about twelve years. I knew pretty well how you could find things out, but I had never been trained in an academic way how to go about the research.

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.