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?

Fahrenheit 451