"Alpha children wear grey They work much harder than we do, because they're so frightfully clever. I'm really awfuly glad I'm a Beta, because I don't work so hard. And then we are much better than the Gammas and Deltas. Gammas are stupid. They all wear green, and Delta children wear khaki. Oh no, I don't want to play with Delta children. And Epsilons are still worse. They're too stupid to be able..." The Director pushed back the switch. The voice was silent. Only its thin ghost continued to mutter from beneath the eighty pillows.