Stone soup
There is a popular fairy tale from the Brothers Grimm that tells of a soldier, on his way home from war, who stops in a village and asks the townspeople for a bite to eat. They all refuse to share anything with him though they clearly have plenty. He is a wily man, so in his desperation he finds an old pot, builds a fire in the middle of the town square and heats the pot filled only with water and a stone. One by one the townspeople who had refused him come by to see what he’s doing; he tells them he’s making stone soup, the most delicious soup in the world. None of them want to admit they’ve never heard of it so all agree that yes, stone soup is exquisite. For every visitor who agrees with him he then sighs and says that his stone soup would be better still if only he had some carrots. Or cabbage. Or onions. Or… And one by one each of the villagers says that they have carrots. Or cabbage. Or onions. Or… They run back to home to fetch their ingredients for the pot. By the end the whole...