Earth sea and weather

River diversion

ποταμοὺς (potamous); ἰδίαις δαπάναις (idiais dapanais); καταμίξαντα (katamixanta); γλυκῆναι (glykēnai)

The vocabulary joins rivers, expenditure from one’s own resources, mixing, and making sweet.

From the book

Empedocles’ The Testimonia, Volume II

Empedocles of Acragas · Diotimos Editions · 2026

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Orientation

At a Glance

  • The wordThe vocabulary joins rivers, expenditure from one’s own resources, mixing, and making sweet.
  • In this workThe Selinus story says Empedocles conceived a plan to introduce two neighboring rivers into the harmful water and paid for it himself.
  • In this editionThe passage does not name the rivers or describe construction details.
  • A place to readSpecifies the two rivers, private expense, and improvement through mixing.

Meaning

The vocabulary joins rivers, expenditure from one’s own resources, mixing, and making sweet. “Sweetening” describes the reported improvement of the flow and need not specify removal of salt or a chemically defined treatment.

Use in the book

The Selinus story says Empedocles conceived a plan to introduce two neighboring rivers into the harmful water and paid for it himself. Its explanatory sequence is explicit: foul water-related conditions cause illness; altered mixing improves the streams; the epidemic ceases. That concreteness distinguishes it from a bare assertion of supernatural healing, but does not independently prove the project or its mechanism. The personal expenditure also serves a biographical purpose. Like the dowries, it presents wealth redirected toward communal benefit, helping explain the public honors that follow. The river operation should not be read as a direct demonstration of the four-root doctrine simply because both use the language of mixture. This is a civic narrative, not a quotation of a physical treatise or a technical plan.

Places to read

  1. A 1 §§ 69–70 (biography)Diogenes Laertius VIII 70. Specifies the two rivers, private expense, and improvement through mixing.
  2. A 1 §§ 71–72 (legend)Diogenes Laertius VIII 70–71. Supplies the resulting festival gratitude and divine honors.

Translation in this edition

The passage does not name the rivers or describe construction details. The edition’s “public engineering” characterization is reasonable as a description of the story, but cannot supply missing archaeological verification.