"What, do even you understand so little?" exclaimed Jesus. "Do not you see that there is nothing external to a man, which by going into a man, can 'defile' him,
But the disciples did not understand the meaning of this; it had been concealed from them so that they did not see it, and they were afraid to question him as to what he meant.
For whereas, considering the time that has elapsed, you ought to be teaching others, you still need some one to teach you the very alphabet of the Divine Revelation, and need again to be fed with 'milk' instead of with 'solid food.'