Deuteronomy 33:8

New Living Translation Bible (NLT)
Moses said this about the tribe of Levi:

“O Lord, you have given your Thummim and Urim—the sacred lots—
    to your faithful servants the Levites.[g]
You put them to the test at Massah
    and struggled with them at the waters of Meribah.

Read Deuteronomy 33:8 in other translations