Othello · Chapter
Scene III explained
Iago begins to plant the seeds of jealousy in Othello's mind, suggesting that Desdemona may be unfaithful with Cassio.
What happens
Iago begins to plant the seeds of jealousy in Othello's mind, suggesting that Desdemona may be unfaithful with Cassio. Othello demands proof, and Iago fabricates a story about Cassio's dream. Emilia picks up Desdemona's dropped handkerchief and gives it to Iago, who plans to use it as false evidence.
Free preview opens on this chapter — companions, themes, and character notes appear beside the text.
Narrative arc
Story tension across the book — this chapter sits in Rising action.
- Setup
- Escalation
- Breaking point
- Closing
This scene is the dramatic climax because it marks the emotional and psychological peak of Iago’s manipulation…
Full beat labels and climax notes unlock in the reader.
Follow the arc while readingThemes in this chapter
- Jealousy and Trust
Iago warns Othello of the 'green-eyed monster' while deliberately provoking his jealousy, leading Othello to doubt Desdemona's fidelity.
- Deception and Appearance vs. Reality
Iago appears honest while deceiving Othello; the handkerchief becomes a false token of Desdemona's guilt.
- Manipulation and Power
Iago skillfully manipulates Othello's emotions and uses Emilia to obtain the handkerchief, tightening his control over events.
Characters to notice
- Othello
Becomes consumed by jealousy after Iago's insinuations; demands ocular proof of Desdemona's infidelity.
- Iago
Manipulates Othello by feigning reluctance and warning against jealousy; later obtains the handkerchief from Emilia.
- Desdemona
Attempts to comfort Othello when he complains of a headache; unknowingly drops the handkerchief.
- Emilia
Picks up the handkerchief and gives it to Iago, unaware of his malicious intentions.
- Michael Cassio
Mentioned in Iago's fabricated dream as having spoken of Desdemona in his sleep.
Key passages
“O, beware, my lord, of jealousy; It is the green-eyed monster which doth mock The meat it feeds on”
Beware of jealousy, my lord; it is a monster that mocks and torments the one it feeds on.
Iago warns Othello against jealousy while actually stoking it.
“Give me the ocular proof”
Show me clear, visible evidence.
Othello demands undeniable proof of Desdemona's unfaithfulness.
“Trifles light as air Are to the jealous confirmations strong As proofs of holy writ”
Small, insignificant things become powerful evidence to a jealous person, as strong as scripture.
Iago reflects on how the handkerchief will fuel Othello's jealousy.