Through the novel's progression, Boo and Tom are marginalized both by physical and social traits. Boo and Tom’s admirable perseverance allows their determination to excel and flourish as they discover who they are and what is important to them. Harper Lee may have purposely titled the novel, To Kill A Mockingbird as a reference to the plot in the story. As the Mockingbirds, Boo and Tom, are essentially killed in the end. Harper Lee’s creative writing style and references teach many lessons throughout the novel, and provokes many realizations from the readers about the characters. But the true powerful message of the story, that still touches many is in the quote, “Mockingbirds don’t eat up one thing in people’s gardens, don’t nest in corncribs, they don't do one thing but sing their hearts out for us. That’s why it’s a sin to kill a mockingbird” (Harper