Book 1
4.2
But the Athenians, although they were more exhausted than any of the Greeks by the long Macedonian war, and had been generally unsuccessful in their battles, nevertheless set forth to Thermopylae with such Greeks as joined them, having made the Callippus I mentioned their general. Occupying the pass where it was narrowest, they tried to keep the foreigners from entering Greece; but the Celts, having discovered the path by which Ephialtes of Trachis once led the Persians, over whelmed the Phocians stationed there and crossed Oeta unperceived by the Greeks.480 B.C.
4.3
Then it was that the Athenians put the Greeks under the greatest obligation, and although outflanked offered resistance to the foreigners on two sides. But the Athenians on the fleet suffered most, for the Lamian gulf is a swamp near Thermopylae—the reason being, I think, the hot water that here runs into the sea. These then were more distressed; for taking the Greeks on board they were forced to sail through the mud weighted as they were by arms and men.
