Looking for a sentence said by the nanny, something like, men are never too stupid to have children, women have them young before they get smart?...

In Chapter 1, "The Root of All Evil," Melena recalls what Nanny said: "We [women] only have babies when we're young enough not to know how grim life turns out. Once we really get the full measure of it---we're slow learners, we women---we dry up in disgust and sensibly halt production."

Melena responded, "But men don't dry up.... They can father to the death."

Nanny "countered, 'But they can learn at all.'"

In my copy of the book (large paperback 1995), the passage appears on page 8.