Nicene and Post-Nicene Fathers, Vol. IV:
Writings in Connection with the Donatist Controversy.: Chapter 8

Chapter 8.—11.  Likewise Felix of Buslacene said:  "In admitting heretics without the baptism of the Church, let no one prefer custom to reason and truth; because reason and truth always prevail to the exclusion of custom." 1277   Nothing could be better, if it be reason, and if it be truth; but this we shall see presently.  Meanwhile, it is clear from the words of this man also that the custom was the other way.

Footnotes

Conc. Carth. sec. 63.