Sc. 3.
"As in these cases, where the aim reports,
'Tis oft with difference."
The 4tos read 'they aim'; but the reading of the folio gives a more simple sense. 'The aim' is conjecture.
"And prays you to believe him."
It has been proposed to read relieve, which seems to make better sense, and which I adopt.
"Sans witchcraft could not be."