βοὴ ἔνδημος

From LSJ

Τὰ δάνεια δούλους τοὺς ἐλευθέρους ποιεῖ → Foenus frequenter liberos servos facit → Geliehnes Geld bringt Freie in die Sklaverei

Menander, Monostichoi, 514