Deuteronomy 8:15-16
15
who led thee through the great and terrible wilderness, wherein were fiery serpents and scorpions, and thirsty ground where was no water; who brought thee forth water out of the rock of flint;
16
who fed thee in the wilderness with manna, which thy fathers knew not; that he might humble thee, and that he might prove thee, to do thee good at thy latter end:
Bible text: American Standard Version (1901) · Public domain