Iago also tells Roderigo (who loves Desdemona) that he hates Othello for promoting Cassio over his head despite his long service. But, nevertheless, everything that Iago says to other persons in the play is doubtable because he is actually manipulating all of them. Therefore Iago’s soliloquies are very important for learning what he really thinks, what has been passing through his mind and so we know that: he is using Roderigo only as a source of gold and jewellery, that he hates Othello and that he covets Cassio’s job. He uses these words:
I hate the Moor
And it is thought abroad that ‘twixt my sheets
He’s done my office. I know not if’t be true
But I, for mere suspicion in that kind,
Will do as if for surety. He holds me well:
The better shall my purpose work on him.
Cassio’s a proper man: let me see now;
To get his place and to plume up my will
In double knavery. How? How? Let’s see.
After some time, to abuse Othello’s