The teaser comes from page 308 (of the large print edition which is the version that my library had):
What you need to know is that some of us have taken on the task of collecting, recording, and protecting as much of this knowledge as we are privileged to learn. We save ideas worth thinking about, even when they're inconvenient, and especially when they're threatened.
Teaser Tuesday is host by Miz B at Should Be Reading. Head on over to find out all about it, and how to join in!