“You,” Damon said somewhat indistinctly through the blood in his mouth, “have been a naughty boy, boy.”
Source: Nightfall
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L.J. Smith 182
American author 1965Related quotes

about President Clinton, Meet the Press, January 24, 1999 http://www.youtube.com/watch?v=0_Vs5570pKw
“Do you like Kipling?"
"I don't know, you naughty boy, I've never kippled.”
The Guinness Book of World Records 1988 p. 203. http://www.unc.edu/~sstaff/images/kippled.jpg
Holds the record as the world's most successful postcard, with a sale of about 6,000,000.
Several earlier versions of the gag exist dating to the 19th century, according to the Quote Investigator blog. http://quoteinvestigator.com/2012/10/02/like-kipling/

“You have ink in your blood, boy, and no help for it. Books will never be just a business to you.”
Source: Ink and Bone

Hunger of Memory: The Education of Richard Rodriguez (1982)