widow's cruse
noun
An apparently small supply that proves inexhaustible: information is infinitely reproducible without diminishing it: it is a veritable widow’s cruse...
- We don't know how God kept the widow's cruse supplied with oil, and why she never ran out of flour during that long dry spell.
- It often seemed to Connie that her sons thought of the refrigerator as a widow's cruse of food that would magically restock itself every week.
- And so all the paradoxes of thrift, widow's cruses, and so on become irrelevant.
Origin
With biblical allusion to 1 Kings 17:10–16.