Matthew 12:39

12:39 But he answered them, “An evil and adulterous generation asks for a sign, but no sign will be given to it except the sign of the prophet Jonah.

Matthew 16:4

16:4 A wicked and adulterous generation asks for a sign, but no sign will be given to it except the sign of Jonah.” Then he left them and went away.

James 4:4

4:4 Adulterers, do you not know that friendship with the world means hostility toward God? So whoever decides to be the world’s friend makes himself God’s enemy.