Does the author intend for us to believe that what the devil says is true? Nathaniel Hawthorne's "Young Goodman Brown"

As in so many
of Hawthorne's works, there is an intentional ambiguity on the author's part in "."
And, it may be that this ambiguity is created so that the readers will become involved in an
analysis themselves of what constitutes sin. One interpretation of the devil, for instance, is
that he represents the darker side of Goodman Brown himself.  For, he resembles Goodman and he
claims to know Goodman's grandfather.  In their dialogue, Goodman declares his virtue, while the
old man laughs, suggesting the scoffing of a darker nature at the hypocritical efforts of
piety. 

Within Puritanism there is the Calvanistic concept of Total
Depravity.  That is, the heart, emotions, will, mind, and...