AND THOU SHALT REMEMBER - DEUT 8:2,3

And thou shalt remember all the way 
which the LORD thy God led thee
these forty years in the wilderness,
to humble thee, and to prove thee,
to know what was in thine heart,
whether thou wouldest keep his
commandments, or no.

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.