Ginōskein

Πολλῷ ἄμεινον μὴ ἁμαρτάνειν, ἁμαρτάνοντα δὲ ἄμεινον γινώσκειν ἢ ἀγνοεῖν.
(Sententiae Pythagoreorum 84)

Best is not to do wrong; but having erred it is better to be conscious of it than to ignore it. (tr. Henry Chadwick)