25 And he said to them: inconsiderate, and slow of heart to believe all things that the prophets have spoken!
Luke 24:25 Cross References - Anderson
Mark 7:18
18 And he said to them: Are you also so void of understanding? Do you not perceive that nothing from without, by entering into a man, can defile him?
Mark 8:17-18
Mark 9:19
19 And he answered them, and said: faithless generation! how long shall I be with you? how long shall I bear with you? Bring him to me.
Mark 16:14
14 Afterward he appeared to the eleven as they reclined at table; and he reproached 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 Of him we have many things to say, and difficult to be explained, if we do say them, since you are slow in understanding.
12 For though you ought to be teachers, considering the time, yet you have need that some one teach you again what are the first elements of the oracles of God; and you have be come such as have need of milk, and not of strong food.