English translations of Gregory of Nyssa’s references to speaking in tongues.
Oratio de Spiritu Sancto sive in Pentecosten
I could not find an English translation of this text, so I took the time to provide one. The following is a passage from Gregory of Nyssa’s Oratio de Spiritu Sancto sive in Pentecosten. This portion directly reflects Gregory of Nyssa’s perspective on speaking in tongues.
For the complete copy in the Greek see, Gregory of Nyssa Speaking in Tongues: Source Texts
Translation by Charles A. Sullivan based on the text found in Migne Patrologia Graeca. Vol. 46. Col. 695ff.
For today is a sign in reference to the annual time of the year of 50 days being complete. Seeing that, in respect to the actual hour, we are upon the third hour of the day, the event of grace happened that is beyond words. For the Holy Spirit mingled again with men, the very thing which previously because of man begotten as flesh, ceased to be among our nature. And because of the violence of this wind, then the spiritual powers of evil and of all the dirty demons have been driven out from the air by the descent of the Holy Spirit — those who remained in the upper room were begotten with fillings of divine power in the form of fire. For no person otherwise has the ability to have begotten a share of the Holy Spirit nor those dwelling of this life in the upper room. How great are these people upwardly comprehending things, the citizens being inhabitants of the high room are transforming their citizenship from earth to heaven — they are coming into an alliance with the Holy Spirit. Consequently, the narrative of the Book of Acts says that while these people are gathered in the upper room, is the dividing up in each one the pure and supernatural fire in the form of languages according to the number of disciples.
So then these people are thus discoursing in Parthian, Mede, and Elamite in the other remaining nations, adapting their voices with respect to authority to every state language. Even as the Apostle says, “I wish five words to speak with my mind in the Church in order that I may benefit others than a thousand words in a tongue.” Truly at that time the benefit was the same language begotten into foreign languages so that the preaching to those ignorant of the truth would not be in vain when those preaching thwart them by a single voice. Now indeed while existing according to the same sounding language, it is necessary to seek after the fiery tongue of the Spirit for the illumination of those who dwell in darkness through error.
Gregory of Nyssa’s treatise on divine and human languages along with some snippets to Pentecost can be found in his work Contra Eunomium. This translation is available at Gregory of Nyssa: Against Eunomium from a Select Library of the Nicene and Post-Nicene Fathers of the Christian Church. second series. Volume 5. Philip Schaff, Henry Wace, ed. Edinburgh: T & T Clark. 1892. Pg. 275ff.