agora: In ancient Greek, agora is a place where free-born male and land-owner gather together and for military duty or to hear statements of the ruling king or council.

arete: The act of living up to one's potential.

polis: It is a word which literally means city in Greek. It can also mean citizenship and body of citizens. Now, this word is normally used to indicate the ancient Greek city-states.
the year 508 BC: In this year, Greek politician Cleisthenes reform politically and socially.

Socrates: He was a classical Greek philosopher and also was the founder of Western philosophy, the teacher of Plato.

the death of socrates: He was sentenced to death as the crime by introducing a new god and eroding teenagers' thinking. Although he got a chance to get away from Greek, he still drank poison.

socratic method: The main idea of this method is to use a question to answer a question and finally raise a new question up.

what the ancient Greek meant if they called you an idiot: The word idiot comes from Greek.It's a word for a private person, an individual not involved in politics.