You sow on what has already been sown
<Ἐπὶ ἐσπαρμένοις σπείρεις:> ἐπὶ τοῖς ὑπὸ ἄλλων πονηθεῖσιν αὐτὸς σεμνύνῃ.
Diogenianus Gramm. (c. A.D. 2), Paroemiae (epitome operis sub nomine Diogeniani) (e cod. Vindob. 133) (0097: 002)
“Corpus paroemiographorum Graecorum, vol. 2”, Ed. von Leutsch, E.L.
Göttingen: Vandenhoeck & Ruprecht, 1851, Repr. 1958.
Centuria 2, section 78, line 1