οὐκέτι
From LSJ
Ζήσεις βίον κράτιστον, ἢν θυμοῦ κρατῇς → Vives bene, si sis vacuus iracundia → Am besten lebst du, wenn du deinen Zorn beherrschst
English (LSJ)
or οὐκ ἔτι, Adv.
A no more, no longer, no further: and generally, not now, opp. οὔπω (not yet), freq. in Hom., Hes., Hdt., and Att.; οὐκέτι πάμπαν Il.13.701; οὐκέτι πάγχυ 19.343; with a word between, οὐ πάμπαν ἔτι 13.7; οὐ γὰρ ἔτι 2.13, 141, etc.—Sts. reversely, ἔτ' οὐκ S.Tr.161, cf. ἔτ' οὐδέν Id.Ph.1217 (lyr.); ἔτ' οὐδείς Ar.Pl.1177.