statement of Jesus containing a single key word from John 15:26: proceeds. The Holy Spirit is “the Spirit of truth, who proceeds from the Father.”4 In conflict with opponents who deny the deity of the Spirit, Gregory elevates the word who proceeds (Gk. ekporeuetai) to the status of a technical term for the eternal relation of origin by which the Spirit eternally is from God. Nazianzus recognizes that this saying of Jesus includes two elements. Jesus refers to the time “when the Helper comes, whom
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