This work by St. Cosmas is a collection of hymns and prayers for the days leading up to Easter, known as Great Monday, Tuesday, and Wednesday. It emphasizes themes of faith, humility, and the divine nature of Christ. The hymns recount biblical events and teachings, highlighting the significance of obedience to God's commandments, the role of the Virgin Mary, and the importance of repentance. Through poetic language, the text invites worshipers to reflect on their relationship with God and to prepare spiritually for the celebration of Christ's resurrection.