τὸ γὰρ ἐμφυὲς οὔτ' αἴθων ἀλώπηξ οὔτ' ἐρίβρομοι λέοντες διαλλάξαιντο ἦθος → the red fox and the roaring lion cannot change the nature born in them
ἄϋπνος, ἀκόρεστος, ἀκόρετος, ἄσχολος, ἀλώφητος, ἄπαυστος, ἀδιάλειπτος, ἀκοίμητος