{For they understood not} (ou gar sun(886b)an). Explanation of
their excessive amazement, viz., their failure to grasp the full
significance of the miracle of the loaves and fishes, a nature
miracle. Here was another, Jesus walking on the water. Their
reasoning process (kardia in the general sense for all the
inner man) {was hardened} ((886e) pep(9372)(936d)en(885c)). See on 氨:5| about
p(9372)(9373)is. Today some men have such intellectual hardness or
denseness that they cannot believe that God can or would work
miracles, least of all nature miracles.