"Pace, mio Dio", aria of Leonora from act 4 of the opera "La Forza del Destino" ("The Force of Destiny") "Pace, mio Dio", aria of Leonora from act 4 of the opera "La Forza del Destino" ("The Force of Destiny") Main opus "La Forza del Destino" ("The Force of Destiny"), opera in four acts