Comparison of Pelopidas and Marcellus

Since, then, Pelopidas was never defeated in a battle where he was in command, and Marcellus won more victories than any Roman of his day, it would seem, perhaps, that the multitude of his successes made the difficulty of conquering the one equal to the invincibility of the other. Marcellus, it is true, took Syracuse, while Pelopidas failed to take Sparta. But I think that to have reached Sparta, and to have been the first of men to cross the Eurotas in war, was a greater achievement than the conquest of Sicily;