Emotion in animals specialised form of Occam's razor used in ethology, in which he stated: Charles Darwin initially planned to include a chapter on emotion in "The Descent of Man" but as his ideas progressed they expanded into a book, "The Expression of the Emotions in Man and Animals". Darwin proposed that emotions are adaptive and serve a communicative and motivational function, and he stated three principles that are useful in understanding emotional expression: First, "The Principle of Serviceable Habits" takes a Lamarckian stance by suggesting that emotional expressions that are useful will be passed on to the offspring. Second, "The Principle of
The Man in the Moone la Lune" (1657); Cyrano's traveller actually meets Gonsales, who is still on the Moon, "degraded to the status of pet monkey". It was one of the inspirations for what has been called the first science fiction text in the Americas, "Syzygies and Lunar Quadratures Aligned to the Meridian of Mérida of the Yucatán by an Anctitone or Inhabitant of the Moon ..." by Manuel Antonio de Rivas (1775). The Laputan language of Jonathan Swift, who was a distant relation of Godwin's, may have been influenced by "The Man in the Moone", either directly or through Cyrano de Bergerac. "The Man