 A further influence must be noted, that of her choice of correspondent, C***. Jean-George Cabanis was a medical doctor by training, but also a writer who attempted to combine his scientific knowledge with moral and social philosophy. His main work, On the relations between the physical and moral aspects of man in 1802 describes the effects that physiology has on moral psychology—character, he says, is inevitably affected by the body’s reaction to the weather, and by the function of organs, such as digestion. In her work, Grouchy also emphasizes the role of physiology in morality, arguing that sympathy arises first and foremost out of the sensations caused by internal organs.