Epicurus (341-270 BCE)
From Principal Doctrines (Kuriai doxai)
“Of all the things which wisdom secures for the attainment of happiness throughout the whole of life, by far the greatest is the possession of friendship.”
- From Epicurus’ Principal Doctrines (Kuriai doxai, K.D.27), translated in Hellenistic Philosophy: Stoics, Epicureans, Sceptics by A. A. Long (University of California Press, 1986).