In this episode, Archimandrite Irenei explores the commentary on the "Holy God..." by the 14th-century Byzantine lay theologian, St Nicholas Cabasilas. What is the significance of this ancient hymn of glorification of the Trinity? This episode features portions of recordings of the hymn by St Anthony’s Monastery, the Monastery of St John the Wonderworker, the Stretennia Men’s Chorus, and St Vladimir’s Orthodox Seminary.