Iago. Did Michael Cassio,

When you woo’d my lady, know of your love?

Othello. He did from first to last.

Why dost thou ask?

Iago. But for a satisfaction of my thought,

No further harm.

Othello. Why of thy thought, Iago?

Iago. I did not think he had been acquainted with it.

Othello. O yes, and went between us very oft—

Iago. Indeed!