τὸ μὴ γὰρ εἶναι κρεῖσσον ἢ τὸ ζῆν κακῶς → for it is better not to exist than to live in misery
logicum logici N N :: logic (pl.)
lŏgĭcum, ī, n., la logique : Sid. Carm. 15, 110.