οὐδείς ἑκὼν πονηρὸς οὐδ' ἄταν ἔχων → no one is willingly wretched or unlucky
cŏryphaeus: i, m., = κορυφαῖος>,I a leader, chief, head: Epicureorum Zeno, Cic. N. D. 1, 21, 59.
