Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
dulco: ātus, āre, 1, v. a. id.,
I to sweeten (late Lat.), Sid. Ep. 5, 4; id. Carm. 2, 105.
dulcō, āre (dulcis), tr., adoucir : Sid. Ep. 5, 4.