King Agesilaus II (r. 400-360 BCE)
“Cities shouldn’t be fortified with stones or timbers, but with the valour of their inhabitants.”
- Quote attributed to King Agesilaus II in the Sayings of the Spartans, presumably collected by Plutarch, in On Sparta, translated by Richard J. A. Talbert. New York: Penguin Classics, 2005.