Pelopidas (19.4-20.1)

For just as horses run faster when yoked to a chariot than when men ride them singly, not because they cleave the air with more impetus owing to their united weight, but because their mutual rivalry and ambition inflame their spirits; so he thought that brave men were most ardent and serviceable in a common cause when they inspired one another with a zeal for high achievement.

But now the Lacedaemonians made peace with all the other Greeks and directed the war against the Thebans alone;[*] Cleombrotus their king invaded Boeotia with a force of ten thousand men-at-arms and a thousand horse; a new peril confronted the Thebans, since they were openly threatened with downright dispersion; and an unprecedented fear reigned in Boeotia. It was at this time that Pelopidas, on leaving his house, when his wife followed him on his way in tears and begging him not to lose his life, said: