History of the Peloponnesian War

He said farther, they had of horsemen, accounting archers on horseback, twelve hundred; and sixteen hundred archers;

and of galleys fit for the sea, three hundred. All this and no less had the Athenians when the invasion of the Peloponnesians was first in hand and when the war began. These and other words spake Pericles, as he used to do, for demonstration that they were likely to outlast this war.