The History of the Grecian War (1.73.3-1.73.5)

And we shall make recital of them not by way of deprecation but of protestation and declaration of what a city, in case you take ill advice, you have to enter the list withal.

We therefore say that we not only first and alone hazarded battle against the barbarian in the fields of Marathon, but also afterwards, when he came again, being unable to resist him by land, embarked ourselves, every man that was able to bear arms, and gave him battle amongst the rest by sea at Salamis, which was the cause that kept him back from sailing to Peloponnesus and laying it waste city after city; for against so many galleys you were not able to give each other mutual succour.

And the greatest proof of this is the Persian himself, who, when his fleet was overcome and that he had no more such forces, went away in haste with the greatest part of his army.