Daniel 1:12-15

Daniel said to the guard, “Please give us this test for ten days: Don’t give us anything but vegetables to eat and water to drink. After ten days compare how we look with how the other young men look who eat the king’s food. See for yourself and then decide how you want to treat us, your servants.” So the guard agreed to test them for ten days. After ten days they looked healthier and better fed than all the young men who ate the king’s food.