Michel de Montaigne,
Essays — The Thirteenth Chapter…
“ I have often seene men proove unmanerly by too much maners, and importunate by over-much courtesie. The knowledge of entertainment is otherwise a profitable knowledge. It is, as grace and beautie are, the reconciler of the first accoastings of society and familiarity: and by consequence, it openeth the entrance to instruct us by the example of others, and to exploit and produce our example, if it have any instructing or communicable thing in it. ”
