Conon and Evagoras seized this opportunity, and, as the generals of the Persian king were at a loss to know how to handle the situation, these two advised them to wage war against the Lacedaemonians, not upon land but upon the sea, their opinion being that if the Persians should organize an army on land and with this should gain a victory, the mainland alone would profit, whereas, if they should be victors on the sea, all Hellas would have a share in the victory.