And he humbled thee, and suffered thee to hunger, and fed thee with manna, which thou knewest not, neither did thy fathers know; that he might make thee know that man doth not live by bread only, but by every word that proceedeth out of the mouth of the Lord doth man live.
When I was gone up into the mount to receive the tables of stone, even the tables of the covenant which the Lord made with you, then I abode in the mount forty days and forty nights, I neither did eat bread nor drink water:
For it is not a vain thing for you; because it is your life: and through this thing ye shall prolong your days in the land, whither ye go over Jordan to possess it.