Mark 8:16-18

8:16 So they began to discuss with one another about having no bread. 8:17 When he learned of this, Jesus said to them, “Why are you arguing 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? Don’t you remember?

Mark 9:10

9:10 They kept this statement to themselves, discussing what this rising from the dead meant.

Luke 9:46

Concerning the Greatest

9:46 Now an argument started among the disciples as to which of them might be the greatest.