Mark 8:17-20

17Aware of this, he said to them, “Why are you discussing the fact you have no bread? Don’t you understand or comprehend? Do you have hardened hearts?

18Do you have eyes and not see; do you have ears and not hear? And do you not remember?

19When I broke the five loaves for the five thousand, how many baskets full of leftovers did you collect?” “Twelve,” they told him.

20“When I broke the seven loaves for the four thousand, how many baskets full of pieces did you collect?” “Seven,” they said.