This is the second stage of Theosis, called “theoria,” in the course of which man, having already been cleansed from the passions, is illumined by the Holy Spirit, is made luminous on the way to becoming deified. Theoria means vision. Theoria of God means a vision of God. To see God, he must be a deified man. Thus, theoria of God also means Theosis. Of course, when he has been thoroughly cleansed and has offered himself entirely to God, then he also receives the greatest experience of divine Grace available to men, which, according to the holy Fathers, is the vision of the uncreated light of
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