Assuming that I didn't mess up the motto somehow, it's a Greek phrase that means 'Hang up a chain of gold', but I might not have transferred it properly from its original context (line 19). The original "Seiren chruseien ex ouranothen kremasantes" seemed too long and cumbersome; so the "ex ouranothen" (from the heavens) should just be understood. And as it stands, it's very catchy (say it out loud, and you'll see).
