He was talking about the sign that said 'THE COMPLICATED FUTILITY OF IGNORANCE.''All knew was that I didn't want my daughter or anybody's child to see a message that negative every time she comes into the library,' he said. 'And then I found out it was you who was responsible for it.''What's so negative about it?' I said.'What could be a more negative word than "futility"?' he said.'"Ignorance,"' I said.

...we took the 10 machines we agreed were the most beguiling, and we put them on permanent exhibit in the foyer of this library underneath a sign whose words can surely be applied to this whole ruined planet nowadays: THE COMPLICATED FUTILITY OF IGNORANCE

If there really had been a Mercutio, and if there really were a Paradise, Mercutio might be hanging out with teenage Vietnam draftee casualties now, talking about what it felt like to die for other people's vanity and foolishness.

Człowiek jest zły i cała jego działalność polega na robieniu niepotrzebnych rzeczy i gromadzeniu niepotrzebnej wiedzy.