Obstinacy and dogmatism are the surest signs of stupidity. Is there anything more confident, resolute, disdainful, grave and serious than an ass?
Michel de MontaigneIn true education, anything that comes to our hand is as good as a book: the prank of a page- boy, the blunder of a servant, a bit of table talk - they are all part of the curriculum.
Michel de Montaigne