Medieval
Catholicism
Ia Q.1 · The Nature and Extent of Sacred Doctrine
Summa Theologica, Prima Pars, Question 1 — The Nature and Extent of Sacred Doctrine (10 Articles).
Christianity
Akathist to our Most Holy Lady Mother of God
The Akathist Hymn to the Most Holy Theotokos — the great Byzantine hymn of praise to the Mother of God, chanted standing (a-kathistos, 'not sitting'). Traditionally ascribed to St. Romanos the Melodist, its proem was added in thanksgiving for the deliverance of Constantinople from the siege of 626.