He praises his teachers Romuald Guarna and Peter Musandinus (in turn the student of Bartholomew of Salerno) in his long poem (four books and 4,663 verses) of ca.
[1][2] He complains, however, of the school's degeneration after the sack of Salerno in 1194 by Henry VI, Holy Roman Emperor,[3] and in the same poem he criticizes its "granting medical degrees, and consequently a license to lecture, to unlearned and inexperienced youths.
[2] The epilogue to De urinis is a particularly bitter denunciation of Montpellier, its vain contentiousness and obliviousness to true science (Latin: Monspessulanicus error), and even its people; one Medieval commentator explains this in terms of an unhappy visit to the city by Gilles.
"[2] His Laxative for Purging Prelates (Latin: Ierapigra ad purgandos prelatos; a Salerno glossary explains yerapigra literally as "sacred and bitter medicine," sacrum amarum, from Greek ἱερός, often used for a special pharmacological recipe, and πικρός[9]), a satire in nine books and 5,929 verses, was discovered in 1837 among manuscripts deriving from the library of Pierre Pithou.
[11] In a prologue, the poet invokes, not a Muse, but a pope (apparently Innocent III), from whom he hopes to receive the antidote that can cure the morally sick prelates.