c. 775–784
Latin
The Conflict of the Vices and Virtues
De Conflictu Vitiorum et Virtutum
Ambrosius Autpertus · c. 730 – 784
Each vice speaks in its own voice and the answering virtue replies with a verse of scripture: pride against humility, gluttony against abstinence, anger against patience. It is a debate script rather than a treatise, and short enough to memorise.