After Iago casts doubt in Othello's mind of Cassio being untrustworthy, and
Desdemona being unfaithful, he says "O beware, my lord, of jealousy; it is the
green eyed monster that doth mock the meat it feeds on" Othello ends this
conversation with "Still...sometimes nature wrongs it self"
Act 3 scene 3: Cassio has explained the whole situation of him becoming fired by Othello to
Desdemona and she has said "Thy solicitor shall rather die Than give they cause away.
Forwshadowing
Act 3 scene 3 Iago's exploitation of Emilia: he asks her to take the handkerchief from Desdemona and she
does. "I nothing, but to please his fantasy" This speeches purpose is to tell the audience the importance of the
handkerchief: it was the Moors first gift to Desdemona and represents their oldest and most pure feelings for
each other.
The handkerchief is a representation of Iago's ability to make the characters see only what they want to see.
Desdemona says "I have no judgment in an honest face"
ACT 3 scene 3 shows Othello's changing nature towards Desdemona from saying "but that I love the Gentle
Desdemona" at the start of act 1 to "I'll tear her to pieces in act 3"