# Dionysius explained — The Lives and Opinions of Eminent Philosophers

> Chapter companion for The Lives and Opinions of Eminent Philosophers by Diogenes Laërtius.

## What happens

This chapter describes Dionysius, known as the Deserter, who asserted pleasure as the chief good due to his own painful eye condition. It details his education under various philosophers including Heraclides, Alexinus, Menedemus, and Zeno, his turn to the Cyrenaic school and indulgent lifestyle, his death by starvation at nearly eighty, and lists his writings. The chapter concludes by noting Cleanthes as Zeno's successor.

## Themes in this chapter

### Ethics and Self-Control

Dionysius's rejection of Stoic apathy in favor of Cyrenaic hedonism highlights the ethical debate over pleasure and pain as guides to the good life.

### Origins and Succession of Philosophical Schools

The chapter traces Dionysius's education under multiple philosophers and ends with Cleanthes succeeding Zeno, emphasizing the lineage of the Stoic school.

## Character check-ins

### Dionysius of Heraclea

The subject of the chapter, known as the Deserter, who argued pleasure is the chief good due to his eye ailment.

### Heraclides Ponticus

First teacher of Dionysius, a fellow citizen of Heraclea.

### Menedemus of Eretria

One of Dionysius's teachers after Alexinus.

### Zeno of Citium

Final teacher of Dionysius before he left the Stoic school.

### Cleanthes

Mentioned as the successor to Zeno in the Stoic school.

## Key lines

> Dionysius, the Deserter, as he was called, asserted that pleasure was the chief good, from the circumstance of his being afflicted with a complaint in his eyes.

Dionysius, nicknamed the Deserter, claimed that pleasure is the highest good because he suffered from a painful eye condition.

_Explains the personal motivation behind his philosophical stance._

> Having left Zeno, he turned to the Cyrenaics, and became a frequenter of brothels, and in other respects indulged in luxury without disguise.

After abandoning Zeno's teachings, he joined the Cyrenaic school and openly pursued a life of luxury and sensual pleasure.

_Describes his shift in allegiance and lifestyle._

## Links

- HTML: https://www.betterreads.online/discover/the_lives_and_opinions_of_eminent_philosophers_se/chapters/dionysius
- Book: https://www.betterreads.online/discover/the_lives_and_opinions_of_eminent_philosophers_se
- All chapters: https://www.betterreads.online/discover/the_lives_and_opinions_of_eminent_philosophers_se/chapters