These definitions being thus various, the Eleate notes that the sophist, in consideration of a fee, disputes, and teaches others to dispute, about things divine, cosmical, metaphysical, legal, political, technical - in fact, about everything - not having knowledge of them, because universal knowledge is unattainable; after which he is in a position to define the sophist (7) as a conscious impostor who, in private, by discontinuous discourse, compels his interlocutor to contradict himself, in opposition to the Sn,uoXoyucos, who, in public, by continuous discourse, imposes upon crowds.
He is introduced by Cicero as an interlocutor in the De oratore and De natura deorum (iii.), as a supporter of the principles of the New Academy.
In 633 he was one of the party of Sophronius of Jerusalem (the chief original opponent of the Monothelites) at the council of Alexandria; and in 645 he was again in Africa, when he held in presence of the governor and a number of bishops the disputation with Pyrrhus, the deposed and banished patriarch of Constantinople, which resulted in the (temporary) conversion of his interlocutor to the Dyothelite view.
In the first of his Dialogues (fair models of Cicero), Severus puts into the mouth of an interlocutor (Posthumianus) a pleasing description of the life of coenobites and solitaries in the deserts bordering on Egypt.
Ananda entered the Order in the second year of the Buddha's ministry, and became one of his personal attendants, accompanying him on most of his wanderings and being the interlocutor in many of the recorded dialogues.