Atticus is a just and courageous person, it is almost impossible for him to persuade others to be just and courageous. Why? Compare/contrast townspeople's def. of justice/courage are to Atticus's def
Atticus only really can persuade scout and jem who help him in their own way to persuade others, they do this by being seen at court with the black people and at the jail when the mob turned up. they were able to talk to them and help them see things differently