It is written — Thus Christ answered, and thus we may answer all the suggestions of the devil. By every word that proceedeth out of the mouth of God — That is, by whatever God commands to sustain him. Therefore it is not needful I should work a miracle to procure bread, without any intimation of my Father's will. Deuteronomy 8:3.
Related Commentaries of Matthew 4:4
Matthew 4:4
4 But he answered and said,It is written, Man shall not live by bread alone, but by every word that proceedeth out of the mouth of God.