A Voice from the Past - Anthony

And do you be watchful and destroy not your long discipline, but as though now making a beginning, zealously preserve your determination. For ye know the treachery of the demons, how fierce they are, but how little power they have. Wherefore fear them not, but rather ever breathe Christ, and trust Him. Live as though dying daily. (As quoted by Athanasius)

Anthony, 251-356 AD, Life of Anthony by Athanasius, 91 (edited by Archibald Robinson, Nicene and Post Nicene Fathers, Philip Schaff and Henry Wace, T & T Clarke and Wm. B Eerdmans Publishing, Second Series, Vol IV)

Is this the right way to look at demons? Why or why not?