TSK · Genesis 21:15

Moses led Israel onward from the Red Sea, and they went out into the wilderness of Shur; and they went three days in the wilderness, and found no water.

So the king of Israel went, and the king of Judah, and the king of Edom; and they made a circuit of seven days' journey. There was no water for the army, nor for the animals that followed them.

The blacksmith takes an axe, works in the coals, fashions it with hammers, and works it with his strong arm. He is hungry, and his strength fails; he drinks no water, and is faint.