History of the Peloponnesian War
Thucydides
Thucydides. The history of the Peloponnesian War, Volume 1-2. Dale, Henry, translator. London: Heinemann and Henry G. Bohn, 1851-1852.
The Athenians then, inasmuch as the god himself had decided this to be a pollution, retorted by commanding the Lacedaemonians to drive it out.—
Now the Lacedaemonians sent ambassadors to the Athenians, and charged Themistocles also as an accomplice in the medizing of Pausanias, as they discovered from the examinations in his case; and demanded that he should be punished with the same penalties.
In compliance with this, (he happened to have been ostracised, and though he had a residence at Argos, used to travel about to the rest of the Peloponnese,) they sent with the Lacedaemonians, who were very ready to join in the pursuit, certain men who were told to bring him wherever they might fall in with him.
Themistocles, being aware of this beforehand, fled from the Peloponnese to Corcyra; for he had been a benefactor to that people. But when the Corcyraeans alleged that they were afraid to keep him at the risk of incurring the enmity of the Lacedaemonians and Athenians, he was carried over by them to the main-land opposite.
And being pursued by those who had been appointed to the work, as they heard on inquiry in what direction he was going, he was compelled in a strait to stop at the house of Admetus, the king of the Molossians, who was not on friendly terms with him.