φιλοψυχητέον
From LSJ
ἀμήχανον δὲ παντὸς ἀνδρὸς ἐκμαθεῖν ψυχήν τε καὶ φρόνημα καὶ γνώμην, πρὶν ἂν ἀρχαῖς τε καὶ νόμοισιν ἐντριβὴς φανῇ → hard it is to learn the mind of any mortal or the heart, 'till he be tried in chief authority | it is impossible to know fully any man's character, will, or judgment, until he has been proved by the test of rule and law-giving
English (LSJ)
A one must love life, Pl. Grg.512e, = M.Ant.7.46.
Greek (Liddell-Scott)
φῐλοψῡχητέον: ῥημ. ἐπίθ., δεῖ φιλοψυχεῖν, Πλάτ. Γοργ. σ. 512Ε.
Greek Monotonic
φῐλοψῡχητέον: ρημ. επίθ., αυτός που πρέπει να αγαπά την ζωή, σε Πλάτ.