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Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
a primitive root; to gird on (as a belt, armor, etc.): be able to put on, be afraid, appointed, gird, restrain, X on every side.