"Man shall not live by bread alone." There is heavenly food to support his soul, as well as natural food to support his body. If a man is supported spiritually by every word that proceedeth out of the mouth of God, if this be the only food the Lord's people enjoy, how little they have! If you and I have no more religion than that which comes from what God has spoken into our soul; if that be the bread we are to live upon; if that be the strength of our heart; if that be our living portion and our dying sufficiency;—how it narrows up our religion into so small a compass, that sometimes we seem to require a microscope to see whether we have any or not.
But thus we learn this lesson, "that man liveth not by bread alone." He cannot live by doctrines in the head. He cannot live by bodily gestures. He cannot live by rites and forms and ceremonies. He cannot live by anything that springs from the creature. His life is first given by God, and his life is maintained by every word that proceedeth out of the mouth of God. What the Lord teaches, he knows; what the Lord works, he feels; what the Lord gives, he possesses; what the Lord speaks to his heart, he has in his soul, as from the lips of the sovereign Majesty himself.
But what a narrow path is this! How it cuts up all creature righteousness! How it lays the creature low in the dust of abasement! With all your religion, you have none but what God gives, nor can you procure a grain; for you have to live, not by bread alone, as in your natural life, but on every word that proceedeth out of the mouth of God. How then are you spiritually to live, except from time to time the Lord speak a word to your soul?