 Thereafter, he joined the Dominicans almost immediately, on 30 April 1911.At Rabat, together with his companions, Pirotta began his novitiate, and then, a year later, made his simple (three-year) profession on 12 May 1912.Thereafter, he began his institutional studies; three years of philosophy (1912–15), and four of theology (1915–19), of course all according to the [Thomist] tradition.