Quote from E.A. Bucchianeri, A Compendium of Essays: Purcell, Hogarth and Handel, Beethoven, Liszt, Debussy, and Andrew Lloyd Webber

… true evil needs no reason to exist, it simply is and feeds upon itself.

E.A. Bucchianeri, A Compendium of Essays: Purcell, Hogarth and Handel, Beethoven, Liszt, Debussy, and Andrew Lloyd Webber