This funeral oration is shared today, in commemoration of the Feast of the Precious and Lifegiving Cross, because of the extended discussion in the final third of the homily of the discovery of the cross by the empress St. Helen.
St. Ambrose of Milan. Funeral Oration on the Death of Emperor Theodosius in Funeral Orations (Fathers of the Church, vol. 22)(R. J. Deferrari, trans.) Catholic University of America. 1953.