The exact number of the belligerents on each side varies by account. Diodorus puts the number of Thebans at 500 against the Spartans' 1,000 (each "mora" consisting of 500 men), apparently basing it on Ephorus' original figures. Plutarch puts the number of the Thebans at 300, and acknowledges three sources for the number of Spartans: 1000 by the account of Ephorus; 1,400 by Callisthenes (c. 360–328 BC); or 1,800 by Polybius (c. 200–118 BC). Some of these numbers may have been exaggerated due to the overall significance of the battle. The battle, while minor, was remarkable for being the first time a Spartan force had been defeated in pitched battle, dispelling the myth of Spartan invincibility. It left a deep impression in Greece and boosted the morale among Boeotians, foreshadowing the later Battle of Leuctra. In Plutarch's own words: