What was the theme of the Greek myth the flood cycle?

The theme of the Greek myth of the flood cycle primarily revolves around humanity's hubris and the consequences of moral decay. In the myth, Zeus decides to cleanse the earth of its corrupt inhabitants through a great flood, symbolizing divine retribution and the need for renewal. The survival of Deucalion and Pyrrha represents hope and the possibility of rebirth, emphasizing the importance of piety and respect for the gods. Ultimately, the story conveys a moral lesson about balance between human behavior and divine expectations.