H. Sutherland Edwards,
History of the Opera from its Origin in Italy to the present Time
“ There is this resemblance, however, between Don Giovanni and Der Freischütz: that in each the composer had met with a libretto peculiarly suited to his genius—the librettist having first conceived the plan of the opera, and having long carried its germ in his mind. Lorenzo da Ponte, in his memoirs (of which an interesting account was published some years ago by M. Scudo, the accomplished critic of the Revue des Deux Mondes) states, that he had long thought of Don Juan as an admirable subject for an opera, of which he felt the poetic truthfulness only too well, from reflecting on his own career ”
