Charles Dickens,
Personal History of David Copperfield…
(1850)
“ What's your motive in this?" "Deuce take the man!" exclaimed my aunt. "Always fishing for motives, when they're on the surface! Why, to make the child happy and useful." "It must be a mixed motive, I think," said Mr. Wickfield, shaking his head and smiling incredulously. "A mixed fiddlestick!" returned my aunt. "You claim to have one plain motive in all you do yourself. You don't suppose, I hope, that you are the only plain dealer in the world?" "Ay, but I have only one motive in life, Miss Trotwood," he rejoined, smiling. "Other people have dozens, scores, hundreds. I have only one. ”
