There are four types: the cretin, the imbecile, the stupid and the mad. Normality is a balanced mixture of all four.
Umberto EcoAfter years of practice, I can walk into a bookstore and understand its layout in a few seconds. I can glance at the spine of a book and make a good guess at its content from a number of signs.
Umberto Eco[In my writing] I know that I have made a caricature out of [others' academic] theories [but] I think that caricatures are frequently good portraits.
Umberto Eco