In Einstein’s letter to Phyllis Wright, he establishes ethos by saying “our actual knowledge,” indicating that he refers to himself as a scientist. This statement also refers to the audience revealing that the reader has a mind of his own with individual thoughts. Einstein knows the subject he is writing about because he is a scientist. He proves this in the letter through the use of logos. One example given states, “Scientific research is based on the idea that everything that takes place is determined by laws of nature, and therefore this holds the actions of people.” Einstein is able to reveal these statements because he knows many facts and details about the subject. At the end of the letter, he hints some use of pathos by stating, “In
