For they understood not the miracle of the loaves: for their hearts were hardened.
All Commentaries on Mark 6:52 Go To Mark 6
Augustine of Hippo
AD 430
But how could they understand this, except from His going a different way, wishing to pass them as strangers; for they were so far from recognizing Him, as to take Him for a spirit. For it goes on: “But when they saw Him walking upon the sea, they supposed it had been a spirit, and cried out.”
How then could He wish to pass them, whose fears He so reassures, if it were not that His wish to pass them would wring from them that cry, which called for His help?