And in man is a three-pound brain which, as far as we know, is the most complex and orderly arrangement of matter in the universe.

I received the fundamentals of my education in school, but that was not enough. My real education, the superstructure, the details, the true architecture, I got out of the public library. For an impoverished child whose family could not afford to buy books, the library was the open door to wonder and achievement, and I can never be sufficiently grateful that I had the wit to charge through that door and make the most of it.

The temptation was great to muster what force we could and put up a fight. It's the easiest way out, and the most satisfactory to self-respect--but, nearly invariably, the stupidest.

Meanwhile, fears of universal disaster sank to an all time low over the world.

The true delight is in the finding out rather than in the knowing.

While he lives, he must think; while he thinks, he must dream.

There are no nations! There is only humanity. And if we don't come to understand that right soon, there will be no nations, because there will be no humanity.