(In the Pronaos of the temple at Delphi the visitor was confronted by certain inscriptions (γράμματα): ‘Know thyself’—‘Nothing too much’—‘Go bail and woe is at hand’—all exhortations to wisdom or prudence (Plato, Charmides, 163-4). To these is to be added, on the sole authority of Plutarch’s Dialogue, the letter E, pronounced EI.)

THE SPEAKERS

Ammonius, the Platonist philosopher, Plutarch’s teacher.

Lamprias, Plutarch’s brother.

Plutarch.

Theon, a literary friend.

Eustrophus, an Athenian.

Nicander, a priest of the temple.

Chap. 1. Dedication to Serapion at Athens. I am sending you, as an instalment, some of my Pythian Dialogues. What is the problem put before us by Apollo under the form of the letter E? I had always avoided the question, but here is a report of a conversation with some visitors, of whom Ammonius was one, in, or soon after, the year A. D. 66, when Nero came to Greece.

2. Ammonius was arguing that Apollo propounds subjects for philosophical inquiry in the ordinances and emblems of his temple, not least in this letter E.