Apophthegmata Laconica
Plutarch
Plutarch. Plutarchi Chaeronensis Moralia, Vol II. Vernardakēs, Grēgorios N., editor. Leipzig: Teubner, 1889.
πρὸς δὲ τὸν ἐρωτῶντα πῶς ἄν τις μάλιστα διαφυλάσσοι τὰ παρόντα τῶν ἀγαθῶν, εἶπεν εἰ μὴ πάντα τῇ τύχῃ πιστεύοι