For thou verily givest thanks well, but the other is not edified.
You are giving thanks well enough, but no one else is edified.
Σὺ μὲν γὰρ καλῶς εὐχαριστεῖς, ἀλλ' ὁ ἕτερος οὐκ οἰκοδομεῖται.
Sy men gar kalōs eycharisteis, all' o eteros oyk oikodomeitai.