Cross reference
Matthew 15:16
16 So Jesus said, "Do you also still not understand?
Matthew 16:9
9 Don't you yet perceive, neither remember the five loaves for the five thousand, and how many baskets you took up?
Mark 9:32
32 But they didn't understand the saying, and were afraid to ask him.
Mark 7:18
18 He said to them, "Are you thus without understanding also? Don't you perceive that whatever goes into the man from outside can't defile him,
Matthew 15:10
10 He summoned the multitude, and said to them, "Hear, and understand.
Hebrews 5:12
12 For when by reason of the time you ought to be teachers, you again need to have someone teach you the rudiments of the first principles of the oracles of God. You have come to need milk, and not solid food.
Luke 24:45
45 Then he opened their minds, that they might understand the Scriptures.
Luke 18:34
34 They understood none of these things. This saying was hidden from them, and they didn't understand the things that were said.
Luke 9:45
45 But they didn't understand this saying. It was concealed from them, that they should not perceive it, and they were afraid to ask him about this saying.
Mark 8:17-18
17 Jesus, perceiving it, said to them, "Why do you reason that it's because you have no bread? Don't you perceive yet, neither understand? Is your heart still hardened?
18 Having eyes, don't you see? Having ears, don't you hear? Don't you remember?
Mark 6:52
52 for they hadn't understood about the loaves, but their hearts were hardened.
Matthew 16:11
11 How is it that you don't perceive that I didn't speak to you concerning bread? But beware of the yeast of the Pharisees and Sadducees."
Matthew 13:51
51 Jesus said to them, "Have you understood all these things?" They answered him, "Yes, Lord."
Isaiah 28:9-10
9 Whom will he teach knowledge? and whom will he make to understand the message? those who are weaned from the milk, and drawn from the breasts?
10 For it is precept on precept, precept on precept; line on line, line on line; here a little, there a little.