Mark 7:18

7:18 He said to them, “Are you so foolish? Don’t you understand that whatever goes into a person from outside cannot defile him?

Mark 8:17-18

8:17 When he learned of this,¹ Jesus said to them, “Why are you arguing² 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?³ Don’t you remember?

Mark 8:21

8:21 Then⁴ he said to them, “Do you still not understand?”⁵

Matthew 16:9-11

16:9 Do you still not understand? Don’t you remember the five loaves for the five thousand, and how many baskets you took up? 16:10 Or the seven loaves for the four thousand and how many baskets you took up? 16:11 How could you not understand that I was not speaking to you about bread? But beware of the yeast of the Pharisees and Sadducees!”

Luke 24:25

24:25 So⁶ he said to them, “You⁷ foolish people⁸ – how slow of heart⁹ to believe¹⁰ all that the prophets have spoken!

¹tn Or “becoming aware of it.”

²tn Or “discussing.”

³tn Grk “do you not hear?”

⁴tn Here καί (kai) has been translated as “Then” to indicate the implied sequence in the narrative.

⁵sn Do you still not understand? The disciples in Mark’s Gospel often misunderstood the miracles of Jesus as well as his teaching. Between Matthew, Mark, and Luke, Mark paints the most revealing portrait of the shortcomings of the Twelve (cf. 6:51-52; 7:17-19; 8:1-10, 14-21, 27-30, 33; 9:5, 10, 33; 10:28, 35-45; 14:19, 29-31, 32-37, 50, 66-72).

⁶tn Here καί (kai) has been translated as “so” to indicate the implied result of the disciples’ inability to believe in Jesus’ resurrection.

⁷tn Grk “O,” an interjection used both in address and emotion (BDAG 1101 s.v. 1).

⁸tn The word “people” is not in the Greek text, but is supplied to complete the interjection.

⁹sn The rebuke is for failure to believe the promise of scripture, a theme that will appear in vv. 43-47 as well.

¹⁰tn On the syntax of this infinitival construction, see BDAG 364-65 s.v. ἐπί 6.b.