"Alpha children wear grey. They work much harder than we do, because they’re so frightfully clever. I’m really awfully 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.
"They’ll have that repeated forty or fifty times more before they wake; then again on Thursday, and again on Saturday. A hundred and twenty times three times a week for thirty months. After which they go on to a more advanced lesson."
-Brave New World