ne plus ultra
noun /ˌneɪ plʊs ˈʊltrɑː/
/ˌneɪ plʊs ˈʊltrə/
(from Latin, formal)- the perfect example of somethingWord OriginLatin, literally ‘not further beyond’, the supposed inscription on the mythical Pillars of Hercules prohibiting passage by ships.