A Connecticut Yankee in King Arthurs Court by Mark Twain Chapter 25 Page 17

You are not here to air your blood or your graces, and nothing of the sort will be permitted. Can you write?”

“No.”

“Do you know the multiplication table?”

“I wit not what ye refer to.”

“How much is 9 times 6?”

“It is a mystery that is hidden from me by reason that the emergency requiring the fathoming of it hath not in my life-days occurred, and so, not having no need to know this thing, I abide barren of the knowledge.”

“If A trade a barrel of onions to B, worth 2 pence the bushel, in exchange for a sheep worth 4 pence and a dog worth a penny, and C kill the dog before delivery,