Ἓν οἶδα, ὅτι οὐδὲν οἶδα → I know only one thing, that I know nothing | all I know is that I know nothing.
P. and V. πικρῶς, P. ἀνηλεῶς, σχετλίως, V. νηλεῶς, ἀνοίκτως, ἀναλγήτως; see cruelly.
Met., vigorously: use P. and V. πολλά, P. ἰσχυρῶς; see vigorously.