I've always been dissatisfied, I know that. But lately I find that I reek of discontentment. It fills my throat, and it floods my brain. And sometimes I fear there is no longer a dream, but only the discontentment.

The evil of technology was not technology itself, Lindbergh came to see after the war, not in airplanes or the myriad contrivances of modern technical igenuity, but in the extent to which they can distance us from our better moral nature, or sense of personal accountability.

The past after all is only another name for someone else's present.

The most interesting people are never perfect.

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.

Curiosity is what separates us from the cabbages. It's accelerative. The more we know, the more we want to know.

History is a guide to navigation in perilous times. History is who we are and why we are the way we are.