Roman Catechism 17.38

Chapter 17 — Part II: The Sacraments — Confirmation

Section 38. If pastors wish to show the divine efficacy of this Sacrament -- and this, no doubt, will have great influence in affecting the minds of the faithful -- it will be sufficient if they explain what occurred to the Apostles themselves. So weak and timid were they before, and even at the very time of the Passion, that no sooner was our Lord apprehended, than they instantly fled ; and Peter, who had been designated the rock and foundation of the Church, and who had displayed unshaken constancy and exalted magnanimity, terrified at the voice of one weak woman, denied, not once nor twice only, but a third time, that he was a disciple of Jesus Christ; and after the Resurrection they all remained shut up at home for fear of the Jews. But, on the day of Pentecost, so great was the power of the Holy Ghost with which they were all filled that, while they boldly and freely disseminated the Gospel confided to them, not only through Judea, but throughout the world, they thought no greater happiness could await them than that of being accounted worthy to suffer contumely, chains, torments and crucifixion, for the name of Christ.