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Ἓν οἶδα, ὅτι οὐδὲν οἶδα → I know only one thing, that I know nothing | all I know is that I know nothing.
και μόγνωμος, -η, -οαυτός που έχει την ίδια γνώμη με κάποιον άλλο, ομόγνωμος.[ΕΤΥΜΟΛ. < μον(ο)- + -γνωμος (< γνώμη), πρβλ. πολύ-γνωμος].