Patri Fidiel was one of founders that produce the short prayers in Maltese language, this can be seen in his two short prayers the Ta' L-Ispirtu Sant (Of The Holy Ghost) and Tal-Kunċizzjoni (Of The Immaculate Conception).
Patri Fidiel was a co-founder who authored brief devotional phrases in the Maltese tongue, exemplified by his two concise prayers, Ta' L-Ispirtu Sant and Tal-Kunċizzjoni.