An age is called Dark not because the light fails to shine, but because people refuse to see it.

We risk great peril if we kill off this spirit of adventure, for we cannot predict how and in what seemingly unrelated fields it will manifest itself. A nation that loses its forward thrust is in danger, and one of the most effective ways to retain that thrust is to keep exploring possibilities. The sense of exploration is intimately bound up with human resolve, and for a nation to believe that it is still committed to a forward motion is to ensure its continuance.

Every animal that walks the earth, or swims, or flies is precious beyond description, something so rare and wonderful that it equals the stars or the ocean or the mind of man.

Public libraries have been a mainstay of my life. They represent an individual's right to acquire knowledge; they are the sinews that bind civilized societies the world over. Without libraries, I would be a pauper, intellectually and spiritually.

There are no insoluble problems. Only time-consuming ones.

Character consists of what you do on the third and fourth tries.

Rampaging horsemen can conquer; only the city can civilize.