Irmos: Having traversed the depths of the Red Sea with dryshod feet, Israel of old vanquished the might of Amalek in the wilderness by Moses’ arms stretched out in the form of the Cross.
Theotokion: By the Father’s will and through the divine Spirit of God, thou didst, without seed, conceive and give birth in the flesh unto the Son Who was begotten of the Father without mother and was born of thee without father for our sake.
O venerable one, radiant with divine splendors, by thy prayers illumine those who piously honor thy radiant, light-bearing and holy repose.
The Word of God gave thee the discourse of wisdom adorned with true knowledge, O hierarch Ambrose, dispelling the irrational and malicious thought of the heretical.
Having cleansed the vision of thy mind of the darkness of the passions, O thou who art most rich, thou didst render it receptive to the pure effulgences of the all-holy Spirit, O all-blessed one.
Having, as a pastor, fended off the destruction of the Arian-minded with thy most wise and sacred dogmas, O all-wise one, with faith thou didst shepherd thy rational sheep on the meadow of Orthodoxy.
Translated by Isaac Lambertsen. Edition menaion.en.lambertsen.