Mark 8:12

And sighing deeply in his spirit, he saith, Why doth this generation seek for a sign? Truly do I say to you, A sign will not he given to this generation.

Mark 7:34

and looking up to heaven, he sighed, and saith to him, Ephphatha, that is, Be opened.

Matthew 12:39-40

But he answered and said to them, A wicked and adulterous generation is seeking for a sign; and no sign will be given to it, but the sign of Jonah the prophet.

Matthew 16:4

A wicked and adulterous generation seeketh after a sign; and no sign will be given to it, but the sign of Jonah. And he left them and went away.

Mark 3:5

And looking round on them with anger, being grieved for the hardness of their hearts, he saith to the man, Stretch forth thy hand. And he stretched it forth; and his hand was restored.

Mark 6:6

And he wondered at their want of faith. And he went about the surrounding villages teaching.

Mark 9:19

He answereth and saith to them, O unbelieving generation! How long shall I be with you? How long shall I bear with you? Bring him to me.

Luke 11:29-30

And when the crowds were thronging about him, he began to say, This generation is a wicked generation; it seeketh a sign; and no sign will be given it, but the sign of Jonah.

Luke 16:29-31

But Abraham saith, They have Moses and the prophets; let them hear them.

Luke 19:41

And when he came near, as he beheld the city, he wept over it,

Luke 22:67-70

If thou art the Christ, tell us. And he said to them, If I tell you, ye will not believe;

John 11:33-38

Jesus therefore when he saw her weeping, and the Jews also weeping who came with her, was greatly moved in his spirit, and much troubled,

John 12:37-43

But though he had wrought so many signs before them, they did not believe in him;

Treasury of Scripture Knowledge

Summary

And he sighed deeply in his spirit, and saith, Why doth this generation seek after a sign? verily I say unto you, There shall no sign be given unto this generation.

General references

Bible References

He sighed

Mark 3:5
And looking round on them with anger, being grieved for the hardness of their hearts, he saith to the man, Stretch forth thy hand. And he stretched it forth; and his hand was restored.
Mark 7:34
and looking up to heaven, he sighed, and saith to him, Ephphatha, that is, Be opened.
Mark 9:19
He answereth and saith to them, O unbelieving generation! How long shall I be with you? How long shall I bear with you? Bring him to me.
Luke 19:41
And when he came near, as he beheld the city, he wept over it,
John 11:33
Jesus therefore when he saw her weeping, and the Jews also weeping who came with her, was greatly moved in his spirit, and much troubled,

Why

Mark 6:6
And he wondered at their want of faith. And he went about the surrounding villages teaching.
Luke 16:29
But Abraham saith, They have Moses and the prophets; let them hear them.
Luke 22:67
If thou art the Christ, tell us. And he said to them, If I tell you, ye will not believe;
John 12:37
But though he had wrought so many signs before them, they did not believe in him;

There

Matthew 12:39
But he answered and said to them, A wicked and adulterous generation is seeking for a sign; and no sign will be given to it, but the sign of Jonah the prophet.
Matthew 16:4
A wicked and adulterous generation seeketh after a sign; and no sign will be given to it, but the sign of Jonah. And he left them and went away.
Luke 11:29
And when the crowds were thronging about him, he began to say, This generation is a wicked generation; it seeketh a sign; and no sign will be given it, but the sign of Jonah.

General references

Luke 11:16
and others, to make trial of him, asked of him a sign from heaven.