Mark 6:6; Mark 9:24; Mark 16:14

Mark 6:6

6 He was amazed at their lack of faith. Then Jesus went around teaching from village to village.

Mark 9:24

24 Immediately the boy’s father exclaimed, “I do believe; help me overcome my unbelief!”

Mark 16:14

14 Later Jesus appeared to the Eleven as they were eating; he rebuked them for their lack of faith and their stubborn refusal to believe those who had seen him after he had risen.