Abstemius's Fables (Sir Roger L'Estrange)
316. (Abstemius 65) Three Things are the Better for Beating.
A Good Woman happen'd to pass by, as a Company of Young Fellows were Cudgelling a Wallnut-Tree, and ask'd them what they did that for? This is only by the Way of Discipline, says one of the Lads, for 'tis natural for Asses, Women, and Wallnut-Trees to Mend upon Beating.
Spur a Jade a Question, and he'll Kick ye an Answer.
Fables of Aesop and Other Eminent Mythologists: Abstemius's Fables by Sir Roger L'Estrange. Available online at Google Books.