Read it through once

“Your Highness says her Voices have revealed to you, by her mouth, a secret known only to yourself and God. How can you know that her Voices are not of Satan, and she his mouthpiece?—for does not Satan know the secrets of men and use his knowledge for the destruction of their souls? It is a dangerous business, and your Highness will do well not to proceed in it without probing the matter to the bottom.”