To Florus 3.102
In the first book, therefore, I showed that I had not lied when I wrote that everyone who fled the stigma of association with us fell over the precipices of the Manichaeans, who deny free will and God as humanity’s creator. I also showed that you immediately embraced, in entirely explicit language, what you had attempted to repel, even quoting the writings you sent to Boniface (see this work 1.14). Yet this answer of yours, which I have just quoted, admits the same thing. You said the catholic faith believes both in free will and in God as the creator of newborn children. Among all heretics, the Manichaeans are certainly the ones who deny both, along with you.
Latin
Atque ideo in primo libro nec me fuisse mentitum, qui scripseram omnes, qui fugissent nostrae societatis invidiam, in Manichaeorum praerupta corruere liberum arbitrium denegantium et Deum hominum conditorem teque id, quod fueras propulsare conatus, statim absolutis arripuisse sermonibus etiam illorum scriptorum, quae ad Bonifatium miseras, insertione patefeci [n128] . Verumtamen hoc etiam haec, quam nunc posui, tua responsio confitetur; dixisti enim catholicam fidem esse, quae et liberum credit arbitrium et Deum nascentium conditorem, quod utrumque omnium haereticorum Manichaeos certum est vobiscum negare.