Apophthegmata Laconica
Plutarch
Plutarch. Moralia, Vol. III. Babbitt, Frank Cole, editor. Cambridge, MA: Harvard University Press; London: William Heinemann Ltd., 1931 (printing).
Λόχαγος ὁ Πολυαινίδου καὶ Σείρωνος πατήρ, ἀπαγγείλαντός τινος αὐτῷ ὅτι τῶν υἱῶν τεθνήκοι ὁ ἕτερος, πάλαι ᾔδειν, ἔφη, ὅτι ἀποθανεῖν αὐτὸν ἔδει.