Arkady and Boris Strugatsky. The doomed city (№ 399982)

- Do not understand! said Izzy. - You're all idiots. And the danger is only to intelligent people.
- The cretins - the cretins. ' said Andrew. - You're right.
Yeah! Getting smarter! exclaimed Izzy, waving the mutilated hand. - In vain. It's dangerous! That is the whole tragedy. Now a lot of people wiser, but the wiser is not enough. They won't know that now have to be a fool...