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 12:45
12:45 Then it goes and brings with it seven other spirits more evil than itself, and they go in and live there, so the last state of that person is worse than the first. It will be that way for this evil generation as well!”
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.
Matthew 17:17
17:17 Jesus answered, “You unbelieving and perverse generation! How much longer must I be with you? How much longer must I endure you? Bring him here to me.”
Matthew 23:36
23:36 I tell you the truth, this generation will be held responsible for all these things!