Hi Jeff, Your first paragraph is rather attractive already. I would make an effort to discover the quote author's gender, in order to avoid the 'he/she' awkwardness. Here are some other words or phrases that need work: speaker (I'd change to 'writer' since it is not obviously from a speech) suggests that it (the referent for 'it' is a little vague) needs.
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Mr. Micawber wrote:
I find that students write better, stronger and clearer essays if they choose one side or the other to support, rather than trying to represent both sides.