In 1980 he was appointed by Pope John Paul II Preacher to the Papal Household in which capacity he still serves, preaching a weekly sermon in Advent and Lent in the presence of the Pope, the cardinals, bishops an prelates of the Roman Curia and the general superiors of religious orders. He is frequently invited to speak at international and ecumenical conferences and rallies.
En 1980 il a quitté l’enseignement pour se dédier à la prédication de la Parole de Dieu.