Dion

After this, there put in at the city triremes from Dionysius, under the command of Nypsius the Neapolitan, who brought food and money for the beleaguered garrison of the acropolis.

In a naval battle that ensued the Syracusans were indeed victorious, and captured four of the tyrant’s ships, but they were made wanton by their victory, and in their utter lack of discipline turned their rejoicing into drinking-bouts and mad carousals, and were so neglectful of their real interests that, when they thought themselves already in possession of the acropolis, they actually lost both it and their city besides.

For Nypsius, seeing no saving remnant in the city, but the multitude given over to music and revelry from dawn till midnight, and their generals delighted with this festivity and reluctant to use compulsion with men in their cups,