Origen

“ But let it be granted that the responses delivered by the Pythian and other oracles were not the utterances of false men who pretended to a divine inspiration; and let us see if, after all, we cannot convince any sincere inquirers that there is no necessity to attribute these oracular responses to any divinities, but that, on the other hand, they may be traced to wicked demons—to spirits which are at enmity with the human race, and which in this way wish to hinder the soul from rising upwards, from following the path of virtue, and from returning to God in sincere piety. ”

“ Moreover, it is not the part of a divine spirit to drive the prophetess into such a state of ecstasy and madness that she loses control of herself. For he who is under the influence of the Divine Spirit ought to be the first to receive the beneficial effects ”