Digitalis folklorists and herbalists; herbalists have largely abandoned its use because of its narrow therapeutic index and the difficulty of determining the amount of active drug in herbal preparations. Once the usefulness of digitalis in regulating the human pulse was understood, it was employed for a variety of purposes, including the treatment of epilepsy and other seizure disorders, which are now considered to be inappropriate treatments. Depending on the species, the digitalis plant may contain several deadly physiological and chemically related cardiac and steroidal glycosides. Thus, the digitalis plants have earned several, more sinister, names: dead man’s bells and witch's gloves.
Nothing comes from nothing the song "Something Good", which contains the lyrics: "Nothing comes from nothing / nothing ever could". Although the song is devoid of intentional metaphysical connotations, Maria's time in Nonnberg Abbey would have familiarized her with the phrase, which is used in Catholic philosophy to explain God's gratuitous act of , namely, that only the source of all being can give creation its existence. Earlier in the film, in the well-known song "Maria", Maria's fellow nuns lament that there is "many a thing she ought to understand" and that she is "not an asset to the abbey". It is unclear if