In 417 A.D., Pelagius sent an Epistle to Innocent, Bishop of Rome. There, he alleged "that men slander him [Pelagius] -- as if he denied the sacrament of baptism to infants." Indeed, Pelagius then added that "
he had never heard even an impious heretic say this...about infants." Pelagius next asked:87 "Who indeed is so unacquainted with Gospel lessons, as...to attempt to make such an affirmation?... Who is so impious, as to wish to exclude infants from the 'kingdom of heaven' [perhaps meaning the visible Church] -- by forbidding them to be baptized?"
Indeed, according to Augustine,88
the Pelagians were so surrounded or "beset both with the authority of God's Word and with the usage of the Church that was of old delivered to it, and has been since kept by it, in the baptizing of children -- that they dare not deny that infants are [to be]
baptized." For they say that 'infants do indeed answer truly, by the mouths of those that bring them, that they believe in the forgiveness of sins."
The Ultrapelagian Caelestius -- author of the books Definitions of Sinlessness; and Monastic Life; and Original Sin; and Statement of Faith; and Syllogisms -- was a tenacious and successful propagandist. In his own Prologue to his own Commentary on Jeremiah, Jerome called Caelestius "by origin of the Scotch [viz. the Irish] nation" -- one "having his belly filled...with Scotch porridge."
Augustine regarded Caelestius as bolder than the more subtle Pelagius. In his Confession, published at Rome, Caelestius stated: "I have always maintained that infants require baptism and ought to be baptized."
Indeed, as Augustine pointed out:89 "Caelestius here conceded baptism for infants.... This, accordingly, is the language which Caelestius used in the ecclesiastical process at Carthage: 'As touching the transmission of sin...many persons of acknowledged position in the Catholic Church deny it.... I have always maintained that infants require baptism, and ought to be baptized.'"
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