The Histories · 7.147

Such was the command which he gave, adding at the same time this saying, namely that if the spies had been put to death, the Hellenes would not have been informed beforehand of his power, how far beyond description it was; while on the other hand by putting to death three men they would not very greatly have damaged the enemy; but when these returned back to Hellas, he thought it likely that the Hellenes, hearing of his power, would deliver up their freedom to him themselves, before the expedition took place which was being set in motion; and thus there would be no need for them to have the labour of marching an army against them. This opinion of his is like his manner of thinking at other times; for when Xerxes was in Abydos, he saw vessels which carried corn from the Pontus sailing out through the Hellespont on their way to Egina and the Peloponnese. Those then who sat by his side,…

Herodotus of Halicarnassus · trans. G. C. Macaulay, 1890
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