Originally posted by MrPhilPretty close.
I owe nothing to noone for I ate nothing.
possibly substituting 'one' for I.
According to the card it was "I ought not to owe for I ate nothing."
Aught (ought) and naught (not) both being fairly antiquated terms for zero.
Be it noted here, I did not get this one on my own. Be it also noted it is my wife who has Mindtrap.