Nicene and Post-Nicene Fathers: Series I/Volume IV/Donatist Controversy/Answer to the Letters of Petilian, the Donatist/Book II/Chapter 24

56.&#160; said:&#160; "But you will answer that you abide by the same declaration, &#8216;He that is once washed needeth not save to wash his feet.&#8217; &#160; Now the &#8216;once&#8217; is once that has authority, once that is confirmed by the truth."

57.&#160; answered:&#160; Baptism in the name of the Father and of the Son and of the Holy Ghost has Christ for its authority, not any man, whoever he may be; and Christ is the truth, not any man.