ἀλλ' ἐσθ' ὁ θάνατος λοῖσθος ἰατρός κακῶν → but death is the ultimate healer of ills
Of persons: P. εὐμαθής.
Of things (capable of being imparted by teaching): P. and V. διδακτός, P. μαθητός, παιδευτός.
