Frequent communion (full title: Frequent communion in which the feelings of fathers, popes and councils, concerning the use of the sacraments of penance and the Eucharist, are faithfully exposed) is a published work of theology by Antoine Arnauld in 1643.
He defends rigorous ideas about penance and the Eucharist, in line with the reforms that follow the Council of Trent. He is also influenced by one of his spiritual masters: the abbot of Saint-Cyran. The work is a sales success, and makes known its author in his time and until the nineteenth; however, it is the subject of intense attacks, mainly by the Jesuits, who are criticized for their commitment to casuistry.
The preface, written by Martin de Barcos, is finally placed in the Index in 1647, because of a passage seeming to attribute the same authority to St. Paul and St. Peter, but not the rest of the book. Besides, this work receives, since its publication, the support of a large part of the French clergy and that of many popes including Innocent X. Notes and edit the code
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