Quotes from Norman Juster

You may not see it now, said the Princess of Pure Reason, looking knowingly at Milo's puzzled face, but whatever we learn has a purpose and whatever we do affects everything and everyone else, if even in the tiniest way.

It's very much like you're trying to reach Infinity. You know it's there, but you just don't know where--but just because you can never reach it doesn't mean that it's not worth looking for.