25 Then he said to them, "O foolish ones, and slow of heart to believe in all that the prophets have spoken.
Luke 24:25 Cross References - NHEB
Mark 7:18
18 He said to them, "Are you thus without understanding also? Do you not perceive that whatever goes into the person from outside cannot defile him,
Mark 8:17-18
Mark 9:19
19 And answering, he said to them, "You unbelieving generation, how long must I be with you? How long must I put up with you? Bring him to me."
Mark 16:14
14 Afterward he was revealed to the eleven themselves as they were reclining, and he rebuked them for their unbelief and hardness of heart, because they did not believe those who had seen him after he had risen.
Hebrews 5:11-12
11 About him we have many words to say, and hard to interpret, seeing you have become dull of hearing.
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, not solid food.