It's utter coolness Orthodox style.
As an aside, "keep your mind in hell and despair not" is a nonsensical statement for me. You might as well tell me "detach your heart and store it in the fridge for 2 hours while you rake the leaves."
Many Energies, 3 Persons, 2 Natures, 1 God, 1 Church, 1 Baptism, and 1 Cup. The Son begotten only from the Father, the Spirit proceeding only from the Father, Each glorifying the Other. The Son sends the Spirit, the Spirit Reveals the Son, the Father is seen in the Son. The Spirit spoke through the Prophets and Fathers and does so even today.