" You shouldn’t have needed a book to see this coming. No one should have. This is what They’ve been building toward since civilization began, accelerating as it got closer, like the last sand running from an hourglass. Look at the games children play now. The average child has killed ten thousand men on a video game screen by the time he enters high school. Reinforcing that lesson one button press at a time—the shapes at the other end of your gun are not human. And when news of the infection spread, what did the world immediately call the infected?” “Zombies.” “Exactly. Our culture’s most perfect creation—an enemy you are absolutely, morally correct in killing, "

― David Wong , This Book Is Full of Spiders (John Dies at the End, #2)