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For most of the Hellenic cities, in memory of our ancient services, send us each year the first-fruits of the harvest, and those who neglect to do so have often been admonished by the Pythian priestess to pay us our due portion of their crops and to observe in relation to our city the customs of their fathers.1 And about what, I should like to know, can we more surely exercise our faith than about matters as to which the oracle of Apollo speaks with authority, many of the Hellenes are agreed, and the words spoken long ago confirm the practice of today, while present events tally with the statements which have come down from the men of old?
1 This custom is attested by inscriptions. See full discussion of it in Preller, Griech. Mythol. i. p. 773.