"Your last letter says that we have done wrong in going against public opinion concerning the book _Frequent Communion_ and the teaching of Jansenius. It is true that there are only too many who misuse this Divine Sacrament. I myself am the most guilty, and I beg you to pray that God may pardon me . . . . You say also that as Jansenius read all the works of St. Augustine ten times, and his treatises on grace thirty times, the Mission Priests cannot safely question his opinions. To which I reply that those who wish to establish new doctrines are always learned and always study deeply the authors of which they make use. But that does not prevent them from falling into error, and we shall have no excuse for sharing in their opinions in defiance of the censure of their doctrine." The letter was answered by a second protest in favor of Arnauld's book, which was met by Vincent with equal energy: "It may be, as you say," he writes, "that certain people in France and Italy have drawn benefit from the book; but for a hundred to whom it has been useful in teaching more reverence in approaching the Sacrament, ten thousand have been driven away . . . For my part, I tell you that if I paid the same attention to M. Arnauld's book as you do, I should give up both Mass and Communion from a sense of humility, and I should be in terror of the Sacrament, regarding it, in the spirit of the book, as a snare of Satan and as poison to the souls of those who receive it under the usual conditions approved by the Church. Moreover, if we confine ourselves only to what he says of the perfect disposition without which one should not go to Communion, is there anyone on earth who has such a high idea of his own virtue as to think himself worthy? Such an opinion seems to be held by M. Arnauld alone, who, having made the necessary conditions so difficult that St. Paul himself might have feared to approach, does not hesitate to tell us repeatedly that he says Mass daily." It is evident that so cold and narrow a teaching could not but be repugnant to a man of Vincent's breadth and charity. The monstrous heresy held by the Jansenists that Christ did not die for all men, but for the favored few alone, filled him with a burning indignation. No one could have deplored more than he did the unworthy use of the Sacraments; but he held firmly to the truth that they had been instituted by a loving Saviour as man's greatest strength and as a protection against temptation and sin. And he was not going to believe that He who had been called the Friend of sinners and had eaten and drunk in their company would exact from men as a condition of approaching Him a perfection that they could never hope to attain without Him.