הוֹצִיא מַיִם מִן הַסֶּלַע

ביטוי (אנגלית)

To get water from a flint/ to skin a flint/ to extract (squeeze) blood from a stone

הגדרה (אנגלית)

By metaphor: succeeded in performing a difficult act. Managed to accomplish an exalted deed.

("And Moses and Aaron gathered the congregation together before the rock, and he said unto them, Hear now, ye rebels: out of this rock shall water come forth for you" - Numbers 20:10)