A. Do it right the first time, or maybe the second or third.
A. I can't keep up with all the books I haven't read and want to read, so I never read the same book twice.
A. Learn to accept criticism of your work; it's the only way to grow.
A. "You've turned me on to history!" I disliked history when I was young, and I'm happy when I can make it exciting for today's young readers.
A. Writing (and rewriting; and re-rewriting)