An extraterrestrial being, newly arrived on Earth–scrutinizing what we mainly present to our children in television, radio, movies, newspapers, magazines, the comics, and many books–might easily conclude that we are intent on teaching them murder, rape, cruelty, superstition, credulity, and consumerism. We keep at it, and through constant repetition many of them finally get it. What kind of society could we create if, instead, we drummed into them science and a sense of hope?
Carl Sagan, The Demon-Haunted World (page 39)