οὐδείς ἑκὼν πονηρὸς οὐδ' ἄταν ἔχων → no one is willingly wretched or unlucky
subs.
P. βεβαιότης, ἡ. Hardness: P. στερεότης, ἡ, Stead-fastness: P. καρτερία, ἡ, καρτέρησις, ἡ. Obstinacy: P. αὐθάδεια, ἡ, Ar. and V. αὐθαδία, ἡ. Of consistency: Ar. and P. πυκνότης, ἡ.
