Moreover, those also will be thus confuted who belong to Simon and Carpocrates, and if there be any others who are said to perform miracles – who do not perform what they do either through the power of God, or in connection with the truth, nor for the well-being of men, but for the sake of destroying and misleading mankind, by means of magical deceptions, and with universal deceit, thus entailing greater harm than good on those who believe them, with respect to the point on which they lead them astray.
And so far are they from being able to raise the dead, as the Lord raised them, and the apostles did by means of prayer, and as has been frequently done in the brotherhood on account of some necessity – the entire Church in that particular locality entreating [the boon] with much fasting and prayer, the spirit of the dead man has returned, and he has been bestowed in answer to the prayers of the saints.- ibid
What nobler than to tread under foot the gods of the nations, to exorcise evil spirits, to perform cures, to seek divine revealings, to live to God? These are the pleasures, these the spectacles that befit Christian men – holy, everlasting, free.
They will, besides, add a good deal respecting the high authority of each doctor of heresy, how that these mightily strengthened belief in their own doctrine; how that they raised the dead, restored the sick, foretold the future, that so they might deservedly be regarded as apostles. As if this caution were not also in the written record: that many should come who were to work even the greatest miracles, in defense of the deceit of their corrupt preaching. – ibid
He declared that many would come and “show great signs and wonders,” so as to turn aside the very elect, and yet for all that were not to be received, He showed how rash was belief in signs and wonders, which were so very easy of accomplishment by even false christs. – ibid
Moreover, the Holy Spirit gave signs of His presence at the beginning of Christ’s ministry, and after His ascension He gave still more; but since that time these signs have diminished, although there are still traces of His presence in a few who have had their souls purified by the Gospel, and their actions regulated by its influence. “For the holy Spirit of discipline will flee deceit, and remove from thoughts that are without understanding.”