Theognis 627-628

It is shameful when a man is drunk among the sober

and it is shameful if man remains sober among drunks

Αἰσχρόν τοι μεθύοντα παρ’ ἀνδράσι νήφοσιν εἶναι,

αἰσχρὸν δ’ εἰ νήφων πὰρ μεθύουσι μένει.