There are four types: the cretin, the imbecile, the stupid and the mad. Normality is a balanced mixture of all four.
Umberto EcoTrue learning must not be content with ideas, which are, in fact, signs, but must discover things in their individual truth.
Umberto EcoNothing is more fleeting than external form, which withers and alters like the flowers of the field at the appearance of autumn.
Umberto Eco