Brave New World
"Charming, charming," murmured the Director and, giving [Lenina] two or three little pats, received in exchange a rather deferential smile for himself. (1.93)
"We had Elementary Sex for the first forty minutes," she answered. "But now it's switched over to Elementary Class Consciousness."
The Director walked slowly down the long line of cots. Rosy and relaxed with sleep, eighty little boys and girls lay softly breathing. (2.71-2)
He let out the amazing truth. For a very long period before the time of Our Ford, and even for some generations afterwards, erotic play between children had been regarded as abnormal (there was a roar of laughter); and not only abnormal, actually immoral (no!): and had therefore been rigorously suppressed.
"In most cases, till they were over twenty years old."
"The results were terrible." (3.19-29)