The History of Don Quixote, Volume 1, Part 12
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Dorothea, who was shrewd and sprightly, and by this time thoroughly understood Don Quixote's crazy turn, and that all except Sancho Panza were making game of him, not to be behind the rest. Don Quixote, when he heard such blasphemies uttered against his lady Dulcinea, could not endure it, and lifting his pike, without saying anything to Sancho or uttering a word, he gave him two such thwacks that he brought him to the ground; and had it not been that Dorothea cried out to him to spare him he would have no doubt taken his life on the spot.