 He inspired his men—the Duke of Wellington said his presence on the battlefield was worth 40,000 soldiers, for he inspired confidence from privates to field marshals.He also unnerved the enemy.At the Battle of Auerstadt in 1806, King Frederick William III of Prussia outnumbered the French by 63,000 to 27,000; however, when he was told, mistakenly, that Napoleon was in command, he ordered a hasty retreat that turned into a rout.