Miguel de Cervantes Saavedra,
The History of Don Quixote, Volume 2…
“ To this the student, bachelor, or, as Don Quixote called him, licentiate, replied, "I have nothing whatever to say further, but that from the moment Basilio learned that the fair Quiteria was to be married to Camacho the rich, he has never been seen to smile, or heard to utter rational word, and he always goes about moody and dejected, talking to himself in a way that shows plainly he is out of his senses. He eats little and sleeps little, and all he eats is fruit, and when he sleeps, if he sleeps at all, it is in the field on the hard earth like a brute beast. ”
