What does brabantio say that this situation reminds him of?

When Lago and Rodrigo go to Brabantio's house and tell him that Desdemona is married to Othello Brabantio was very angry and tells them to go away. He does not believe that Desdemonia actually done such a thing until he looks for her in her bedroom and she is gone. Barbantio says that the situation reminds him of a dream he had.