IAGO: Do it not with poison, strangle her in her bed, even the bed she hath contaminated.
OTHELLO: Good, good: the justice of it pleases: very good.
– William Shakespeare
Othello, Act 4, Scene 1. Iago tells Othello that a more appropriate punishment than poison for Desdemona would be to strangle her in the bed she soiled with her affair with Cassio. Agreeing, Othello sees this as fitting justice. He is now under the complete control of Iago.