Egregie Doctor Paule, mores instrue; Our Souls' Great Teacher Paul, Our Guide in Wisdom's Ways
Hymn for Vespers and Matins on 25 January, feast of the Conversion of Saint Paul; for Matins on 30 June, feast of the Commemoration of Saint Paul; and for Lauds on 29 June, feast of Saint Peter and Saint Paul, when the hymns, "Beate Pastor Petre, clemens accipe" and "Egregie Doctor Paule, mores instrue," are combined into one hymn.
It is attributed to Elpis, Boethius's wife, who died c.493.
The English title given is by T. Potter.
New Catholic Dictionary