O Lord, Who sent down Your most holy Spirit upon Your Apostles at he third hour; take Him not from us, O Good One, but rather renew Him in us who pray to You.

Prayer of St. Mardarius

O Sovereign God, the Father Almighty, O Lord, the Only-begotten Son, Jesus Christ, and You, O Holy Spirit, one Godhead, one Power, have mercy on me, a sinner  , and by the judgments which You know, save me, Your unworthy servant: for You are blessed forever and ever.  Amen.