Matthew 11:16-17
"But to what shall I liken this generation? It is like children sitting in the marketplaces, who, calling to the others,
Matthew 17:17
And Jesus, answering, said, "O faithless and perverted generation! How long shall I be with you? Bring him here to Me."
Mark 9:19
And He, answering, saith to them, "O faithless generation! how long shall I be with you! how long shall I bear with you? Bring him to Me."
Luke 7:31-32
"To what, then, shall I liken the men of this generation? And to what are they like?
Luke 18:8
I say to you, that He will avenge them speedily. Nevertheless, will the Son of Man, when He cometh, find the faith on the earth?"
2 Thessalonians 3:2
and that we may be delivered from unreasonable and evil men; for not all have the faith.
Hebrews 11:6
And, apart from faith, it is impossible to please Him; for he that comes to God must believe that He is, and that He becomes a rewarder to those who seek after Him.