Wisdom 11:4-6

New Revised Standard Version, Anglicised

⁴ When they were thirsty, they called upon you,
and water was given them out of flinty rock,
and from hard stone a remedy for their thirst.
⁵ For through the very things by which their enemies were punished,
they themselves received benefit in their need.
⁶ Instead of the fountain of an ever-flowing river,
stirred up and defiled with blood