He had heard, indeed, some curious Houyhnhnms observe, that in most herds there was a sort of ruling Yahoo (as among us there is generally some leading or principal stag in a park), who was always more deformed in body, and mischievous in disposition, than any of the rest; that this leader had usually a favourite as like himself as he could get, whose employment was to lick his master’s feet and posteriors, and drive the female Yahoos to his kennel; for which he was now and then rewarded with a piece of ass’s flesh.
— from Gulliver's Travels into Several Remote Nations of the World by Jonathan Swift

“His disposition is bright, and mine is dark,” he continued; “Harry is cheerful, and I am otherwise, perhaps.
— from The Virginians by William Makepeace Thackeray