People are puzzled and wonder how they can eat spiritual food. They cannot see it and cannot take it into their hands. When they are told to work for the food which gives eternal life they ask how they can do it. Here Christ says that the way to work for the spiritual food is to “believe in Him.”

Of course believing in Christ must be taken in its fullest sense. Merely believing that bread will satisfy hunger will not in itself satisfy any hungry man; he must...