However, Lysiades, the tyrant of Megalopolis, was so moved by admiration for the patriot that he resigned, and the city joined the League.  In fact, Aratus was at this time quite the greatest man in Greece.  He beat the Ætolians, when they were on a foray into the Achaian territories, and forced them to make peace; and he tried also to win Athens and Sparta to the common cause against Macedon, but there were jealousies in the way that hindered his success, and all his enterprises were rendered more difficult by his weakly health, which always made him suffer greatly from the fatigue and excitement of a battle.