Analysis of information sources in references of the Wikipedia article "Титивілій" in Ukrainian language version.
I have heard that a certain holy man, while in the choir, saw a devil truly weighed down with a full sack. When, however, he commanded the demon to tell what he carried, the evil one said: "These are the syllables and syncopated words and verses of the psalms which these very clerics in their morning prayers stole from God; you can be sure I am keeping these diligently for their accusation."
