καὶ οὐκ ἔστιν πᾶν πρόσφατον ὑπὸ τὸν ἥλιον → and there's nothing new under the sun (Eccl. 1:9 LXX)
obstinate: P. and V. αὐθάδης, σκληρός.
mad: P. and V. μανιώδης, Ar. and P. μανικός.
wild: P. and V. βάρβαρος, V. ἀνήμερος.
made savage: P. and V. ἀπηγριωμένος.