κρεῖττον εἶναι φιλοσόφως ἀποθανεῖν ἢ ἀφιλοσόφως ζῆν → that it is better to die in manner befitting a philosopher than to live unphilosophically
Arcānus: a, um, adj. Arcae,
I of or pertaining to Arcœ hence, subst.
A Arcāni, ōrum, m., the inhabitants of Arcœ, Inscr. Orell. 4007.—
B Arcānum, i, n., a villa of Q. Cicero, in the neighborhood of Arcœ, Cic. Att. 5, 1; id. ad Q. Fr. 3, 1 al.