Frederick Douglass was one of the great voices against slavery. As a slave Douglass learned how to read and write, decided he had to escape the South and became one of the great voices against slavery in the North. He would become such a powerful voice he would go on to advise President Lincoln during the Civil War. Read Frederick Douglass Learning to Read. After reading the essay what did you think of Douglass argument? How does he use logos, pathos and ethos? Did he use any fallacies in his argument?