The letter was the symbol of her calling. such was found in her, —so much power to do, and power to sympathize, —that many people refused to interpret the scarlet a by its original signification. they said that it meant able; so strong was hester prynne, with a woman's strength

Unity in a paragraph means: my writing persuades my readers to agree with the argument i am presenting. the paragraph discusses and supports one thought throughout the entire paragraph. all sentences in a paragraph are the same length and structure. the first sentence and the last sentence echo the exact same thought.