κυβερνητέον
From LSJ
οὕτως ἐξ ἐχθρῶν αὐτοκτόνα πέμπετο δῶρα, ἐν χάριτος προφάσει μοῖραν ἔχοντα μόρου → thus mutual gifts that bring death were bestowed by enemies, gifts that brought the lot of death in the name of a favor
English (LSJ)
A one must direct, Pl. Sis.389d.
Greek (Liddell-Scott)
κυβερνητέον: ῥημ. ἐπίθ. τοῦ κυβερνῶ, δεῖ κυβερνᾶν, Πλάτ. Σίσυφ. 389D.