"For the LORD thy God hath blessed thee in all the works of thy hand: he knoweth thy walking through this great wilderness: these forty years the LORD thy God [hath been] with thee; thou hast lacked nothing." vs. 7
So often we exert so much energy trying to attain that which we believe is needful, what we believe is necessary. Yet we question when that need isn't filled, often forgetting that God doesn't give us what we think we need but He gives us what He knows need...and only just enough to keep us from lacking but not so much that it keeps us from leaning on Him.
"If we keep from what God forbids, we shall not lose by our obedience."