Deuteronomy 29:4

29:4 But to this very day the Lord has not given you an understanding mind, perceptive eyes, or discerning ears!

Deuteronomy 32:28-29

32:28 They are a nation devoid of wisdom,

and there is no understanding among them.

32:29 I wish that they were wise and could understand this,

and that they could comprehend what will happen to them.”

Proverbs 1:22

1:22 “How long will you simpletons love naiveté?

How long will mockers delight in mockery

and fools hate knowledge?

Isaiah 44:18

44:18 They do not comprehend or understand,

for their eyes are blind and cannot see;

their minds do not discern.

Mark 4:12

4:12 so that although they look they may look but not see,

and although they hear they may hear but not understand,

so they may not repent and be forgiven.”

Mark 8:17-21

8:17 When he learned of this, Jesus said to them, “Why are you arguing about having no bread? Do you still not see or understand? Have your hearts been hardened? 8:18 Though you have eyes, don’t you see? And though you have ears, can’t you hear? Don’t you remember? 8:19 When I broke the five loaves for the five thousand, how many baskets full of pieces did you pick up?” They replied, “Twelve.” 8:20 “When I broke the seven loaves for the four thousand, how many baskets full of pieces did you pick up?” They replied, “Seven.” 8:21 Then he said to them, “Do you still not understand?”

Mark 8:2

8:2 “I have compassion on the crowd, because they have already been here with me three days, and they have nothing to eat.

Mark 2:10-12

2:10 But so that you may know that the Son of Man has authority on earth to forgive sins,” – he said to the paralytic – 2:11 “I tell you, stand up, take your stretcher, and go home.” 2:12 And immediately the man stood up, took his stretcher, and went out in front of them all. They were all amazed and glorified God, saying, “We have never seen anything like this!”