Dialogue has to show not only something about the speaker that is its own revelation, but also maybe something about the speaker that he doesn't know but the other character does know.
Eudora WeltyMy main disappointment was always that a book had to end. And then what? But I don't think I was ever disappointed by the books. I must have been what any author would consider an ideal reader. I felt every pain and pleasure suffered or enjoyed by all the characters. Oh, but I identified!
Eudora Welty