During the years of his theological maturity, from 1269 to 1272, St. Thomas Aquinas was called to Paris to resolve the complicated question of the nature of the Eucharistic Sacrament. Before St. Thomas started his dissertation, he went in church to pray and then finally wrote the actual text. Once the exhibit was concluded, St. Thomas returned to church and that is when Our Lord Jesus appeared to him to confirm the righteousness of his writings. [...]