Mark 9:32
But they were not understanding the saying, and were afraid to ask Him.
Luke 18:34
And they understood none of these things; and this saying was hidden from them, and they were not understanding the things being said.
Luke 9:45
But they did not understand this saying; and it was veiled from them, that they might not perceive it; and they were afraid to ask Him concerning this saying.
Mark 9:10
And they kept the saying to themselves, questioning what the rising from the dead could be.
John 12:16
These things His disciples did not understand at the first; but, when Jesus was glorified, then they remembered that these things had been written about Him, and that they did these things to Him.
John 16:19
Jesus knew that they wished to ask Him, and He said to them, "Do ye inquire among yourselves about this that I said, 'A little while, and ye behold Me not, and again a little while, and ye will see Me!'
Mark 7:18
And He saith to them, "Are ye too thus without understanding? Do ye not perceive that nothing, entering into a man from without, can defile him;
Mark 8:17-18
And perceiving it, He saith to them, "Why are ye reasoning because ye have no bread? Do ye not yet perceive, nor understand? Have ye your heart hardened?
Mark 8:33
But He, turning about, and seeing the disciples, rebuked Peter, and saith, "Get behind Me, Satan; because you are not minding the things of God, but the things of men."
Mark 16:14
And afterward He was manifested to the eleven themselves, as they were reclining at table, and upbraided them for their unbelief and hardness of heart, because they believed not those who saw Him after He had risen.
Luke 24:45
Then He opened their mind, that they might understand the Scriptures;
John 4:27
And upon this came His disciples: and they were wondering that He was talking with a woman; yet no one said, "What seekest Thou?" or, "Why talkest Thou with her?"