He glanced back at the wall. How like a mirror, too, her face. Impossible; for how many people did you know who reflected your own light to you? People were more often--he searched for a simile, found 

He glanced back at the wall. How like a mirror, too, her face. Impossible; for how many people did you know who reflected your own light to you? People were more often--he searched for a simile, found one in his work--torches, blazing away until they whiffed out. How rarely did other people's faces take of you and throw back to you your own expression, your own innermost trembling thought?”
Being with Ken was like being with a permanently foreign friend. It was impossible to understand them, but all you really needed to do was reflect back their own expressions. When Ken looked sad, they looked sad. When he looked happy, they smiled. It was actually very relaxing to be around him. Not much was expected.”
“If you want something new, you have to stop doing something old”
“I am too young to be called wise and I am too old to be called young.
“Remember the days when you let your child have some chocolate if he finished his cereal? Now, chocolate is one of the cereals.”
When you're young, you say what you feel.
When you're adult, you speak what you think.
When you grow old, you listen to what nature says.”