Chapter 4, "The Ethics of Elfland"When the business man rebukes the idealism of his office-boy, it is commonly in some such speech as this: "Ah, yes, when one is young, one has these ideals in the abstract and these castles in the air; but in middle age they all break up like clouds, and one comes down to a belief in practical politics, to using the machinery one has and getting on with the world as it is."