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.

Matthew 12:39-40

"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 15:14

Let them be; they are but blind guides; and, if one blind man guides another, both of them will fall into a ditch."

Mark 5:17-18

Upon which they began to beg Jesus to leave their neighborhood.

Mark 8:12

Sighing deeply, Jesus said: "Why does this generation ask for a sign? I tell you, no sign shall be given it."

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."

Luke 11:29-30

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.

Acts 2:40

With many other words Peter enforced his teaching, while the burden of his exhortations was--"Save yourselves from the perverse spirit of this age."

Acts 18:6

However, as they set themselves against him and became abusive, Paul shook his clothes in protest and said to them: "Your blood be on your own heads. My conscience is clear. From this time forward I shall go to the Gentiles."

Treasury of Scripture Knowledge

Summary

A wicked and adulterous generation seeketh after a sign; and there shall no sign be given unto it, but the sign of the prophet Jonas. And he left them, and departed.

General references

Bible References

Wicked

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.
Mark 8:12
Sighing deeply, Jesus said: "Why does this generation ask for a sign? I tell you, no sign shall be given it."
Acts 2:40
With many other words Peter enforced his teaching, while the burden of his exhortations was--"Save yourselves from the perverse spirit of this age."

But

Luke 11:29
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.

And he

Matthew 15:14
Let them be; they are but blind guides; and, if one blind man guides another, both of them will fall into a ditch."
Mark 5:17
Upon which they began to beg Jesus to leave their neighborhood.
Acts 18:6
However, as they set themselves against him and became abusive, Paul shook his clothes in protest and said to them: "Your blood be on your own heads. My conscience is clear. From this time forward I shall go to the Gentiles."

General references

Luke 11:16
While others, to test him, asked him for some sign from the heavens.
Luke 20:8
"Then I," said Jesus, "refuse to tell you what authority I have to do these things."