Respuesta :
The words above are spoken by Mephistopheles, the prince of the underworld who becomes Faustus' servant..
Answer:
Mephistopheles says these words to Faustus.
Explanation:
Mephistopheles refers to the damage he could infringe upon others on the physical plane since he could never damage anyone's soul if this hasn't being used in a deal with Lucifer. He in his position of servant uses this word to remind that to Faustus as he asked him to punish and old man for his disrespectful words.