In Act I of Il mondo della luna (an opera buffa), Buonafede intends to marry off his daughters to rich suitors, while Ecclitico assures Ernesto and Cecco that all their difficulties will be solved with some money.
28/7, is an opera buffa by Joseph Haydn with a libretto written by Carlo Goldoni in 1750, first performed at Eszterhaza, Hungary, on 3 August 1777. Ecclitico and his four students sing a hymn to the Moon, and Ecclitico boasts of how he can dupe the foolish  such as Buonafede, who now appears. Alone, Ecclitico muses that it is not the old man's money he wants, but to wed his daughter Clarice. Buonafede intends to marry the sisters off to rich suitors. Ecclitico assures Ernesto and Cecco that with a little money all their difficulties will be solved. 
