Matthew 12:39
"It is a wicked and unfaithful generation," answered Jesus, "that is asking for a sign, and no sign shall be given it except the sign of the Prophet Jonah.
Matthew 16:4
A wicked and unfaithful generation is asking for a sign, but no sign shall be given it except the sign of Jonah." So he left them and went away.
Luke 11:29-32
As the crowds increased, Jesus began to speak: "This generation is a wicked generation. It is asking a sign, but no sign shall be given it except the sign of Jonah.
Mark 8:38
Whoever is ashamed of me and of my teaching, in this unfaithful and wicked generation, of him will the Son of Man be ashamed, when he comes in his Father's Glory with the holy angels."
James 4:4
Unfaithful people! Do not you know that to be friends with the world means to be at enmity with God? Therefore whoever chooses to be friends with the world makes himself an enemy to God.