Mark 8:12

And fetching a deep sigh from his very soul, he saith, Why seeketh this generation a sign? verily I tell you, no sign shall be given to this generation.

Mark 7:34

and looking up to heaven, he heaved a deep sigh, and saith unto him, Ephphatha! that is, Be opened.

Matthew 12:39-40

But he answered and said unto them, A wicked and adulterous generation seeketh a sign; and no sign shall be given it, but the sign of Jonah the prophet:

Matthew 16:4

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

Mark 3:5

Then looking round about on them with indignation, exceedingly grieved for the hardness of their hearts, he saith to the man, Stretch out thine hand; and he stretched it out: and his hand was restored sound as the other.

Mark 6:6

And he marvelled at their infidelity. And he went about the villages around, teaching.

Mark 9:19

Then addressing him, he said, O faithless generation, how long shall I be with you? how long shall I bear with you? bring him to me.

Luke 11:29-30

Then the multitudes thronging around him, he began to say, This is a wicked generation: it seeketh a sign, and no sign shall be given it, but the sign of Jonah the prophet.

Luke 16:29-31

Abraham saith to him, They have Moses and the prophets; let them hearken to them.

Luke 19:41

And as he drew near, beholding the city, he wept over it,

Luke 22:67-70

If thou art the Messiah, tell us. And he said unto them, If I tell you, ye will not believe:

John 11:33-38

When Jesus then saw her weeping, and all the Jews who came with her lamenting, he groaned in spirit, and was himself greatly agitated:

John 12:37-43

Now, though he had done so many miracles before them, they believed not on 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
Then looking round about on them with indignation, exceedingly grieved for the hardness of their hearts, he saith to the man, Stretch out thine hand; and he stretched it out: and his hand was restored sound as the other.
Mark 7:34
and looking up to heaven, he heaved a deep sigh, and saith unto him, Ephphatha! that is, Be opened.
Mark 9:19
Then addressing him, he said, O faithless generation, how long shall I be with you? how long shall I bear with you? bring him to me.
Luke 19:41
And as he drew near, beholding the city, he wept over it,
John 11:33
When Jesus then saw her weeping, and all the Jews who came with her lamenting, he groaned in spirit, and was himself greatly agitated:

Why

Mark 6:6
And he marvelled at their infidelity. And he went about the villages around, teaching.
Luke 16:29
Abraham saith to him, They have Moses and the prophets; let them hearken to them.
Luke 22:67
If thou art the Messiah, tell us. And he said unto them, If I tell you, ye will not believe:
John 12:37
Now, though he had done so many miracles before them, they believed not on him:

There

Matthew 12:39
But he answered and said unto them, A wicked and adulterous generation seeketh a sign; and no sign shall be given it, but the sign of Jonah the prophet:
Matthew 16:4
A wicked and adulterous generation seeketh a sign; and no sign shall be given to it, but the sign of the prophet Jonah. And he left them, and departed.
Luke 11:29
Then the multitudes thronging around him, he began to say, This is a wicked generation: it seeketh a sign, and no sign shall be given it, but the sign of Jonah the prophet.

General references

Luke 11:16
But others, tempting him, sought of him a sign from heaven.