What were Athenians beliefs about human nature and the role of an individual?

The culture of ancient Greece believed that every individual plays role in a society. Every individual living in a society should be sensible and responsible towards the development of the society. They believed in living life in simplicity. They depicted their God as humans

Athenians philosophy provides an insight of the human values. The Athenians such as Aristotle, Socrates. Plato, etc talked about human nature and solved many philosophical questions.