Great Books of the Western World, Band 9

according action activity acts already animals appear become bees better birds blood body bones called cause character citizens close comes common concerned condition consider constitution creatures democracy eggs embryo equal excess exist eyes fact feet female fishes flesh follows friends friendship further give greater ground grow hair hand happens happy hard head heart heat insects instance kind legs less live male matter mean ment mouth move movement nature necessary objects observed oligarchy organ owing pain perfect persons pleasure practical principle produce quadrupeds reason regard resembles respect rest rule sake seems semen sense separate share side similar sometimes sort soul species stomach substance teeth term things thought tion virtue whole young