ὑμνητέον
From LSJ
Μὴ σπεῦδ', ἃ μὴ δεῖ, μηδ', ἃ δεῖ, σπεύδειν μένε → Ne agas celeria tarde, aut tarda celeriter → Unnötiges tu nicht, was nötig ist, tu gleich
English (LSJ)
A one must celebrate, Luc.Dem.Enc.19: c. dupl. acc., one must glorify as, Pl.Epin.983e, cf. Dam.Pr.2.
Greek (Liddell-Scott)
ὑμνητέον: ῥηματ. ἐπίθετ. τοῦ ὑμνέω, δεῖ ὑμνεῖν, Πλάτ. Ἐπινομ. 983Ε, Λουκ. Δημοσθ. Ἐγκώμ. 19.