Learning and Defense of the Faith
The Spiritual Meadow remembers Cosmas as profoundly knowledgeable in Holy Scripture and in the works of the Church Fathers, and as a firm defender of the Orthodox faith and Church dogmas. He held the writings of Saint Athanasius the Great in particular esteem, urging those he spoke with that, should they come across a word of Athanasius and have no paper at hand, they should write it upon their clothing.