Such was the vast power which the god settled in the lost island of Atlantis; and this he afterwards directed against our land for the following reasons, as tradition tells: For many generations, as long as the divine nature lasted in them, they were obedient to the laws
This passage articulates the myth’s core moral architecture: Atlantean greatness was inseparable from its divine inheritance, and its eventual corruption — the loss of divine nature — precipitated the catastrophic war with Athens and the island’s destruction.
, Critias, -360thesis