I told her that it would be a very wrong thing in me to contribute to the support of such an evil spirit of Unthankfulness as she indulged in.
"Annals of a Quiet Neighbourhood"
George MacDonald
Timothy Crabshaw will never eat the bread of Unthankfulness-it shall never be said of him, that he was wiser than his measter.
"The Adventures of Sir Launcelot Greaves"
Tobias Smollett