Mark 8:16

8:16 So they began to discuss with one another about having no bread.

Mark 10:11-12

10:11 So he told them, “Whoever divorces his wife and marries another commits adultery against her. 10:12 And if she divorces her husband and marries another, she commits adultery.”

Mark 10:26

10:26 They were even more astonished and said to one another, “Then who can be saved?”

Mark 14:4

14:4 But some who were present indignantly said to one another, “Why this waste of expensive ointment?