Matthew 12:39

He replied to them, "It is an evil and disloyal generation that craves a Sign, but no Sign will be given to it except the Sign of the prophet Jonah;

Matthew 16:4

"It is an evil and disloyal generation that craves a Sign, and no Sign shall be given to it except the Sign of Jonah." Then he left them and went away.

Luke 11:29-32

As the crowds were thronging to him, he proceeded to say, "This is an evil generation: it demands a Sign, but no Sign will be given to it except the Sign of Jonah;

Mark 8:38

Whoever is ashamed of me and my words in this disloyal and sinful generation, the Son of man will be ashamed of him when he comes in the glory of his Father with the holy angels.

James 4:4

(Wanton creatures! do you not know that the world's friendship means enmity to God? Whoever, then, chooses to be the world's friend, turns enemy to God.

Treasury of Scripture Knowledge

Summary

But he answered and said unto them, An evil and adulterous generation seeketh after a sign; and there shall no sign be given to it, but the sign of the prophet Jonas:

Adulterous

General references

Bible References

Adulterous

Mark 8:38
Whoever is ashamed of me and my words in this disloyal and sinful generation, the Son of man will be ashamed of him when he comes in the glory of his Father with the holy angels.
James 4:4
(Wanton creatures! do you not know that the world's friendship means enmity to God? Whoever, then, chooses to be the world's friend, turns enemy to God.

No sign

Matthew 16:4
"It is an evil and disloyal generation that craves a Sign, and no Sign shall be given to it except the Sign of Jonah." Then he left them and went away.
Luke 11:29
As the crowds were thronging to him, he proceeded to say, "This is an evil generation: it demands a Sign, but no Sign will be given to it except the Sign of Jonah;

General references

Luke 11:16
Others by way of tempting him demanded he should give them a Sign from heaven.