In Act 3 scene 3, how does Iago persuade Othello of Desdemona's supposed infidelity? Scene 3 of Act 3 is probably the most important scene in the entire opera, because this is the point of no return. It's as if throughout the beginning of the play you're pushing a huge boulder up a steep mountain, and in this scene you reach the top and push it down the other side, unable to stop it. This is how I see the action in Othello. Iago spends the whole time plotting and conspiring with the audience, and in this scene you can actually spot the point where he finally pushes Othello over the edge. Iago manages to do this in several ways, through imagery, "sewing the seed" into Othello's mind, and reverse psychology. However, all of these ways boil down to one thing: Iago, throughout the play, plays on Othello's insecurities regarding race and Desdemona. Iago's language throughout the scene is very rich and surprisingly descriptive, so much so that it actually acts like a projector, projecting vivid and clear images into the minds of the audience and, more importantly, Othello. This is more evident in the next part of the scene, and there is one particular speech that I want to isolate. Iago's speech, lines 407 to 423, is where the richest image of the scene is created. He is describing a night during which he lay with Cassius and witnessed a so-called dream. In this dream Cassius would have said “St...