Othello
Cite the textual evidence which shows what Iago says he heard Cassio talking about at the beginning of scene i.
Act IV scene i
Act IV scene i
IAGO
Why, that he did—I know not what he did.
OTHELLO
What? what?
IAGO
Lie—
OTHELLO
With her?
IAGO
With her, on her, what you will.
Othello