References in classic literature ?
It may be true that "a contented mind is happy anywhere," but so is a Jerusalem pony, and the consequence is that both are put anywhere and are treated anyhow.
If you are foolish enough to be contented, don't show it, but grumble with the rest; and if you can do with a little, ask for a great deal.
Juliet Lundy, as my ward, was, I believe, contented and happy.
But the lieutenant, who was the toast-master, was not contented with Sophia only.
For two or three months, he contented himself with hinting that he feared the air began to disagree with him; then, finding that the place really no longer was, to him, what it had been, he settled his business on his assistant, took a bachelor's cottage outside the village of which his young friend was pastor, and instantaneously recovered.