Gennadius. Lives of Illustrious Men 3

Paulonas, the Presbyter, disciple of the blessed deacon Ephraim a man of very energetic character and learned in the holy scriptures was distinguished among the doctors of the church while his master was still living and especially as an extemporaneous orator. After the death of his master, overcome by love of reputation, separating himself from the church, he wrote many things opposed to the faith. The blessed Ephraim when on the point of death is reported to have said to him as he stood by his side—See to it, Paulonas that you do not yield yourself to your own ideas, but when you shall think that you understand God wholly, believe that you have not known,—for he felt beforehand from the studies or the words of Paulonus, that he was investigating new things, and was stretching out his mind to the illimitable, whence also he frequently called him the new Bardesanes.