“Only great challenges make it worthwhile to pack up and move all one's books.”

“That was the trouble with moving houses; no matter how carefully you packed the books, they never ended up on the new shelves in quite the right place.”

“Do they listen?"He held up a finger. "Every year one does," he said, ginning, "But that one makes it worthwhile. Even Jesus only did twelve. I try to get one a year.”

“If there is but one person in the world who is touched by your work, it makes it all worthwhile.”

“Because it's good when you find one that does mean something. Makes all the empty ones worthwhile.”

“No one ever said your life would be easy. The nature of being human makes life for all of us a challenge. The most important thing to consider here is this. Your life is only as challenging as you think it is. Think of challenge as a teacher and yourself the student. It's up to you to figure out what the lesson is to be learned. To learn that lesson and build the strength and courage to face other challenges….”