Depend upon it, there is nothing so unnatural as the commonplace.

-Doyle, SirArthur Conan
  The Adventures of Sherlock Holmes,'A Case of Identity'.

She hears the ocean protesting against separation, but she hears the sea protesting against union. She follows therefore her physical destination when she protests against the two situations, both equally unnaturalö separation and union.

-Grattan, Henry
Of Ireland. Quoted in Conor Cruise O'Brien Parnell and His Party (1957).

I'mtired ofeverlastingly being unnatural and neverdoing anything Iwantto do†and I'mtired of pretending Idon't know anything, so men can tell me things and feel important while they're doing it.

-Mitchell, Margaret
  Scarlett O'Hara. Gone  with  the Wind, ch.5.

Skullion had little use for contraceptives at the best of times.Unnatural, he called them, and placed them in the lower social category of things along with elastic-sided boots and made-up bow ties. Not the sort of attire for a gentleman.

-Sharpe,Tom (Thomas Ridley)
  Porterhouse Blue, ch.9.