A Connecticut Yankee in King Arthurs Court by Mark Twain Chapter 16 Page 5

The missionary’s next move was to get the family together and try it on himself; he was to stop at no experiment, however desperate, that could convince the nobility that soap was harmless; if any final doubt remained, he must catch a hermit — the woods were full of them; saints they called themselves, and saints they were believed to be. They were unspeakably holy, and worked miracles, and everybody stood in awe of them. If a hermit could survive a wash, and that failed to convince a duke, give him up, let him alone.

Whenever my missionaries overcame a knight errant on the road they washed him, and when he got well they swore him to go and get a bulletin-board and disseminate soap and civilization the rest of his days.

As a consequence the workers in the field were