History of the Peloponnesian War

You are to fight for a great wager, either to destroy the hope of the Peloponnesian navies or to bring the fear of the sea nearer home to the Athenians.

Again, let me tell you, you have beaten them once already; and men once overcome will not come again to the danger so well resolved as before.

Thus did Phormio also encourage his soldiers. The Peloponnesians, when they saw the Athenians would not enter the gulf and strait, desiring to draw them in against their wills, weighed anchor and betime in the morning, having arranged their galleys by four and four in a rank, sailed along their own coast within the gulf, leading the way in the same order as they had lain at anchor, with their right wing.

In this wing they had placed twenty of their swiftest galleys to the end that if Phormio, thinking them going to Naupactus, should for safeguard of the town sail along his own coast likewise within the strait, the Athenians might not be able to get beyond that wing of theirs and avoid the impression but be inclosed by their galleys on both sides.

Phormio, fearing (as they expected) what might become of the town now without guard, as soon as he saw them from anchor, against his will and in extreme haste went aboard and sailed along the shore with the land forces of the Messenians marching by to aid him.