This festival is celebrated on the Sunday after Pentecost, because as soon as the apostles were instructed and consoled by the Holy Ghost, they began to preach openly that which Christ had taught them. That we may openly profess our faith in the doctrine of the Holy Trinity, which is the first of Christian truths, the foundation of the Christian religion, and the most sublime of all mysteries; and that we may render thanks, to the Father for having created us, to the Son for having redeemed us, and to the Holy Ghost for having sanctified us. Why do we[…]
