In the story Young Goodman Brown by Nathaniel Hawthorne, how is the nature of evil presented in the story?

As in others
of his works, in ","  suggests an accusation of the "secret sin" of
hypocrisy--the grievous evil in men's hearts.  Like so many Puritans, Goodman Brown is
sanctimonious in "his evil purpose," declaring to the devilish old man who acts as his
escort into the dark forest,

'My father never went into
the woods on such an errand, nor his father before him.  We have been a race of honest men and
good Crhistians since the days of the martyrs; and shall I be the first of the name of Brown
that ever took this path and kep'--

While Goodman Brown
deceives himself into thinking that he can walk with evil and not sin because he is such a good
man, the devil's reply is a rebuttal of this hypocrisy and acts asfor the double entendre,
"loss of Faith," in "Young Goodman Brown":

'Such company, thou wouldst say....I have been as well acquainted with your family as
with ever a one among the Puritans; and that's no trifle to say.  I helped...