Finally some time to start re-reading this!
I read a lot, mostly sci-fi and fantasy. Currently re-reading some of Mercedes Lackey's Valdemar novels. I also enjoy Jasper Fforde's surrealist humor. And I somehow bored my way through the first book of "The Realmgate Wars".. not bothering with the rest of that series.
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Talia, a runaway Holdgirl, is chosen to become a trainee herald in the queen's elite guard and to care for …
You can't stop knowlege; you shouldn't try. If you do, half the time it's the wrong people that get it first.
(Page 422 in the omnibus; should be page 179 in the standalone edition. At the end of Chapter 11).
Mercedes Lackey describing the concept of "security by full disclosure" vs "security by obscurity", in 1989 ... before it became popular in computer science.