Page:Early Greek philosophy by John Burnet, 3rd edition, 1920.djvu/58

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44
EARLY GREEK PHILOSOPHY

identifying the eclipse as that of Thales,[1] and this is confirmed by Apollodoros, who fixed his floruit in the same year.[2] The further statement in Diogenes that, according to Demetrios Phalereus, Thales "received the name of wise" in the archonship of Damasias at Athens, really refers to the Tale of the Seven Wise Men, as is shown by the words which follow, and is doubtless based on the story of the Delphic tripod; for the archonship of Damasias is the era of the restoration of the Pythian Games.[3]

5.Thales in Egypt. The introduction of Egyptian geometry into Hellas is ascribed to Thales,[4] and it is probable that he did visit Egypt; for he had a theory of the inundations of the Nile. Herodotos[5] gives three explanations of the fact that this alone of all rivers rises in summer and falls in winter; but, as his custom is, he does not name their authors. The first, however, which attributes the rise of the Nile to the Etesian winds, is ascribed to Thales in the Placita,[6] and by

  1. The words of Herodotos (i. 74), οὖρον προθέμενος ἐνιαυτὸν τοῦτον ἐν τῷ δὴ καὶ ἐγένετο, mean at first sight that he only said the eclipse would occur before the end of a certain year, but Diels suggests (Neue Jahrb. xxxiii. p. 2) that ἐνιαυτός has here its original sense of "summer solstice" (cf. Brugmann, Idg. Forsch. xv. p. 87). In that case Thales would have fixed the date within a month. He may have observed the eclipse of May 18, 603 B.C. in Egypt, and predicted another in eighteen years and some days, not later than the solstice.
  2. For Apollodoros, see Note on Sources, §21. The dates in our text of Diogenes (i. 37; R. P. 8) cannot be reconciled with one another. That given for the death of Thales is probably right; for it is the year before the fall of Sardeis in 546/5 B.C., which is one of the regular eras of Apollodoros. It no doubt seemed natural to make Thales die the year before the "ruin of Ionia" which he foresaw. Seventy-eight years before this brings us to 624/3 B.C. for the birth of Thales, and this gives us 585/4 B.C. for his fortieth year. That is Pliny's date for the eclipse, and Pliny's dates come from Apollodoros through Nepos.
  3. Diog. i. 22 (R. P. 9), especially the words καθ' ὃν καὶ οἱ ἑπτὰ σοφοὶ ἐκλήθησαν. The story of the tripod was told in many versions (cf. Diog. i. 28-33; Vors. i. p. 226 sqq.). It clearly belongs to the Delphian Tale of the Seven Wise Men, which is already alluded to by Plato (Prot. 343 a, b). Now Demetrios of Phaleron dated this in the archonship of Damasias at Athens (582/1 B.C.), and the Marmor Parium dates the restoration of the ἀγὼν στεφανίτης at Delphoi in the same year, and also identifies it with that of Damasias (cf. Jacoby, p. 170, n. 12).
  4. Proclus, in Eucl. I. p. 65, Friedlein (from Eudemos).
  5. Herod. ii. 20.
  6. Aet. iv. 1.1 (Dox. p. 384).