ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → life is not worth living if you do not have at least one friend
Ar. χορδή, ἡ, χόρδευμα, τό, φύσκη, ἡ, ἀλλᾶς, ο.