“I wonder,” said Reginald, “if you have ever walked down the Embankment on a winter night?” “Gracious, no, child! Why do you ask?” “I didn’t; I only wondered. And even your philanthropy, practised in a world where everything is based on competition, must have a debit as well as a credit account. The young ravens cry for food.” “And are fed.” “Exactly. Which presupposes that something else is fed upon.”