Mark 9:19
He answereth them and saith, O faithless generation, how long shall I be with you?
John 20:27
Then saith he to Thomas, Reach hither thy finger, and behold my hands, and reach hither thy hand, and thrust it into my side, and be not faithless, but believing.
Matthew 17:17
Then Jesus answering said, O unbelieving and perverse generation, how long shall I be with you? How long shall I suffer you?
Mark 16:14
Afterwards he appeared to the eleven, sitting at meat, and upbraided them with their unbelief and hardness of heart, because they believed not them who had seen him after he was risen.
Luke 9:41
And Jesus answering said, O faithless and perverse generation, how long shall I be with you? How long shall I suffer you? Bring thy son hither.
Luke 24:25
Then he said to them, O foolish, and slow of heart to believe all that the prophets have spoken!
John 12:27
Now is my soul troubled. And what shall I say? Father, save me from this hour?
Hebrews 3:10-12
Therefore I was grieved with that generation and said, They always err in their hearts, and they have not know my ways.