Chap. xv.—17. Read now the most profuse revilings which he has poured forth whilst puffed up with indignation against me, and see whether he has given me any answer, when I ask what means are to be found for cleansing one who receives baptism when the conscience of the giver is polluted, without the knowledge of him who receives the sacrament at his hands. I beg of you to search minutely, to examine every page, to reckon every line, to ponder every word, to sift the meaning of each syllable, and tell me, if you can discover it, where he has made answer to the question, What means are to be found for cleansing the conscience of the recipient who is unaware that the conscience of the giver is polluted?