Any man can make mistakes, but only an idiot persists in his error. Cicero
The first man to compare the cheeks of a young woman to a rose was obviously a poet; the first to repeat it was possibly an idiot. Salvador Dalí
He was a dreamer, a thinker, a speculative philosopher... or, as his wife would have it, an idiot. Douglas Adams
An idiot will cross an ox with an elephant. African Congo Proverb
A man profits more by the sight of an idiot than by the orations of the learned. Arabic Proverb
An idiot is eloquent when he stays silent. Japanese Proverb