Regum et imperatorum apophthegmata
Plutarch
Plutarch. Moralia, Vol. III. Babbitt, Frank Cole, translator. Cambridge, MA: Harvard University Press; London: William Heinemann Ltd., 1931 (printing).
Phocion the Athenian was never seen by anyone to laugh or cry. [*](Cf. Plutarch’s Life of Phocion, chap. iv. (743 D).)