Demosthenes was a prominent Greek
The Greeks, also known as the Hellenes , are a nation and ethnic group native to Greece, Cyprus and neighboring regions. They also form a significant diaspora, with Greek communities established around the world....

A statesman is usually a politician or other notable public figure who has had a long and respected career in politics or government at the national and international level. As a term of respect, it is usually left to supporters or commentators to use the term...

 and orator of ancient Athens
History of Athens
Athens is one of the oldest named cities in the world, having been continuously inhabited for at least 7000 years. Situated in southern Europe, Athens became the leading city of Ancient Greece in the first millennium BCE and its cultural achievements during the 5th century BCE laid the foundations...

. His oration
Oratory is a type of public speaking.Oratory may also refer to:* Oratory , a power metal band* Oratory , a place of worship* a religious order such as** Oratory of Saint Philip Neri ** Oratory of Jesus...

s constitute a significant expression of contemporary Athenian intellectual prowess and provide an insight into the politics
Politics is a process by which groups of people make collective decisions. The term is generally applied to the art or science of running governmental or state affairs, including behavior within civil governments, but also applies to institutions, fields, and special interest groups such as the...

 and culture of ancient Greece
Ancient Greece
Ancient Greece is a civilization belonging to a period of Greek history that lasted from the Archaic period of the 8th to 6th centuries BC to the end of antiquity. Immediately following this period was the beginning of the Early Middle Ages and the Byzantine era. Included in Ancient Greece is the...

 during the 4th century BC. Demosthenes learned rhetoric
Rhetoric is the art of discourse, an art that aims to improve the facility of speakers or writers who attempt to inform, persuade, or motivate particular audiences in specific situations. As a subject of formal study and a productive civic practice, rhetoric has played a central role in the Western...

 by studying the speeches of previous great orators. He delivered his first judicial speeches at the age of 20, in which he argued effectively to gain from his guardians what was left of his inheritance.

Delivery, delivery, delivery.

Response when asked to name the three most important aspects of rhetoric, as quoted in "Demosthenes: Action on the political and forensic stage" by C. Cooper. in Oral Performance and its Context (2004) by C. J. MacKie, p. 154 ISBN 9004136800