"One road to happiness is to cultivate curiosity about everything. Not only about people but about subjects, not only about the arts but about history and foreign customs. Not only about countries and cities, but about plants and animals. Not only about lichened rocks and curious markings on the bark of trees, but about stars and atoms. Not only about your friends but about that strange labyrinth we inhabit which we call ourselves. Then, if we do that, we will never suffer a moment's boredom...."