The book Irene and Franklin found in Jude's bag was a paperback copy of The Count of Monte Cristo (by French author Alexandre Dumas (père) written in 1844.
Gabriele tells to Jude on phone, "Fiat voluntas Dei." That is Latin for "May God's will be done."
Perdisco is Latin for 'learn thoroughly'.
Tall man says "Ad majorem Dei gloriam" that is Latin motto of the Jesuits or the motto of the Society of Jesus. it means "for the greater glory of God". To which Stella replies "Ad majorem mundi sine peccatum", which translates as "For the greater world without sin."