Thucydides (c. 460-400 BCE)
“Colonists are not sent abroad to be slaves of those who remain behind, but to be their equals.”
- History of the Peloponnesian War (Book I, section 34) by Thucydides, translated by Rex Warner (Penguin Classics, 1972). The quote was supposedly from a speech delivered by a Corcyraean ambassador to Athens in 433 BCE, when they were seeking help agaisnt Corinth.
