He proves his point to stay true by bringing up observations with his own children who could identify sad faces when they were babies and also with blind people who exhibited the same expressions of emotions that those who are not blind too show. He clarifies that humans can use these expressions as forms of communication once they have learned that they indeed can. However, they do not learn these emotions, we are born with them. How did communication of emotional expressions evolve over the …show more content…
He himself, states many first hand observations of animals from the Zoological Gardens and other natural observations. However, he also has observations from many other men all over the world. He received responses to his inquiries from places like Australia, North America, Asia, and South Africa. This wide variety of samples aids to the validity of what Darwin is trying to prove since his sample pool is so large and diverse. When comparing Darwin’s methods to Gall’s you could find a small comparison by saying that they both observed their findings. However, this is where the comparisons end. Darwin went a step further by not only observing one type of person but many types of people and animals to prove his theory. Darwin also went a step further than Gall did by addressing any criticisms to a particular part of this theory within his text. He did this when talking about humans and their muscles that raise the hair on their bodies when frightened or