Iago seeks revenge against Othello for believing that Othello had an affair with his wife. Iago manipulates Othello into believing that his wife Desdemona is having an affair with Cassio in order to get revenge. Othello is driven mad with jealousy and kills Desdemona. After realizing his mistake, Othello kills himself.

1. Revenge

2. Revenge
 In the play, we see two characters who
seek revenge on others.
 Iago
 Othello

3. IAGO
 I hate the Moor;
And it is thought
abroad, that 'twixt
my sheets
He has done my
office: I know not if 't
be true;
But I, for mere
suspicion in that
kind, will do as if for
surety. (1.3)

4.  The Moor is of a free
and open nature,
That thinks men
honest that but
seem to be so,
And will as tenderly
be led by the nose
As asses are. (1.3)

5.  How am I then a villain  That she repeals him for
 To counsel Cassio to her body’s lust.
this parallel course,  And by how much she
 Directly to his good? strives to do him good
Divinity of hell!  She shall undo her
 When devils will the credit with the Moor.
blackest sins put on  So will I turn her virtue
 They do suggest at first into pitch
with heavenly shows  And out of her own
 As I do now. For whiles goodness make the net
this honest fool  That shall enmesh them
 Plies Desdemona to all. (2.3)
repair his fortune
 And she for him pleads
strongly to the Moor,
 I’ll pour this pestilence
into his ear:

6. OTHELLO
 O! now, for ever
Farewell the tranquil
mind; farewell
content! (3.3)

7.  [He kisses her]
O balmy breath, that
dost almost persuade
Justice to break her
sword. One more, one
more!
Be thus when thou art
dead, and I will kill
thee,
And love thee after.
One more, and that's
the last!
So sweet was ne'er so
fatal. I must weep,
But they are cruel
tears. This sorrow's
heavenly;
It strikes where it doth
love. She wakes. (5.2)

8.  I pray you, in your letters,  Albeit unused to the
When you shall these melting mood,
unlucky deeds relate, Drop tears as fast as the
Speak of me as I am; Arabian trees
nothing extenuate, Their med'cinable gum.
Nor set down aught in Set you down this;
malice: then, must you And say besides, that in
speak Aleppo once,
Of one that lov'd not wisely Where a malignant and a
but too well; turban'd Turk
Of one not easily jealous, Beat a Venetian and
but, being wrought, traduc'd the state,
Perplex'd in the extreme; I took by the throat the
of one whose hand, circumcised dog,
Like the base Indian, threw And smote him thus. (5.2)
a pearl away
Richer than all his tribe; of
one whose subdu'd eyes