A Connecticut Yankee in King Arthurs Court by Mark Twain Chapter 15 Page 18

a jackass has that kind of strength, and puts it to a useful purpose, and is valuable to this world because he is a jackass; but a nobleman is not valuable because he is a jackass. It is a mixture that is always ineffectual, and should never have been attempted in the first place. And yet, once you start a mistake, the trouble is done and you never know what is going to come of it.

When I came to myself again and began to listen, I perceived that I had lost another chapter, and that Alisande had wandered a long way off with her people.

“And so they rode and came into a deep valley full of stones, and thereby they saw a fair stream of water; above thereby was the head of the stream, a fair fountain, and three damsels sitting thereby.