φιλοψυχητέον
From LSJ
ὁ κόσμος ἀλλοίωσις, ὁ βίος ὑπόληψις → the universe is flux, life is opinion | the universe is transformation: life is opinion | the universe is change, life is a fleeting impression | the universe—mutation: life—opinion
English (LSJ)
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.