First Impressions of Iago and Othello

In the play Othello, our first impression suggests that Iago and Othello are portrayed as having somewhat opposite qualities.
Iago is first shown to be false and pretentious. Even though he says "I will wear my heart upon my sleeve", giving the impression that he shows all his emotions willingly, he is then shown to be quite secretive and deceitful, plotting against Othello, Casio and Rodriguo, emphasising his ambitious nature. Furthermore we get the impression that he is spiteful and racist, building up his hatred and jealousy towards Othello, "I hate the Moor".
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