Mark 8:17-18, 21

Jesus, aware of this [discussion], said to them, “Why are you discussing [the fact] that you have no bread? Do you still not see or understand? Are your hearts hardened? [Is 6:9, 10] THOUGH YOU HAVE EYES, DO YOU NOT SEE? AND THOUGH YOU HAVE EARS, DO YOU NOT HEAR and LISTEN [to what I have said]? And do you not remember, [Jer 5:21]

And He was saying to them, “Do you still not understand?”