Matthew 12:39
In reply Jesus told them. "An evil and faithless generation seeks a sign, and no sign will be given them except the sign of the prophet Jonah.
Matthew 16:4
A wicked and faithless generation is seeking a sign, but no sign shall be given it but the sign of Jonah." So he left them and went away.
Luke 11:29-32
When the crowd were beginning to throng about him he proceeded to say. "This is an evil generation! It seeks a sign, and there shall be no sign be given to it except the sign of Jonah;
Mark 8:38
Whoever is ashamed of me and my words in this unfaithful and wicked generation, of him shall the Son of man be ashamed when he comes in the glory of his Father with the holy angels."
James 4:4
You adulteresses, do you not know that the friendship of the world is enmity to God? Whoever, then, desires to be a friend of the world, makes himself and enemy of God.