Egopoly deadlock

Omnia, Castor, emis. Sic fiet ut omnia uendas. You buy everything in sight, Castor, but you’ll end up selling it all. Tutto tu compri, o Castore. Così sia, perché tutto venderai.

Martial, Epigrams, Book 7, XCVIII
English translation by Brendan Kennelly
Italian translation by Holden Caulfield