Mark 8:12

Then He sighed deeply in His spirit and said, "Why does this generation of people look for a [supernatural] sign? Truly I tell you, there will not be any [supernatural] sign given to this generation."

Mark 7:34

and, looking up to heaven, He sighed and said, "Ephphatha," which means, "Be opened."

Matthew 12:39-40

But He said to them, "It is [only] an evil and unfaithful [i.e., to God] generation of people that looks for a [supernatural] sign. And there will not be any sign given to it except the [supernatural] sign [demonstrated in the life] of Jonah, the prophet.

Matthew 16:4

"It is an evil and spiritually unfaithful generation of people [that keeps on] looking for a [supernatural] sign; but there will be no [such] sign given to it except the sign of Jonah [i.e., being in the huge fish for three days]." Then He left them and went away.

Mark 3:5

And when He had looked around at them with righteous indignation, being grieved over their stubbornness, He said to the man, "Reach out your hand." And when he reached it out, his hand was restored [to normal use].

Mark 6:6

[But] He marveled at the people's lack of faith. So, He traveled and taught throughout the [surrounding] villages.

Mark 9:19

Jesus said to them, "You generation of faithless people How long must I be with you [i.e., before you understand]? How long do I have to be patient with you? Bring the sick boy to me."

Luke 11:29-30

And when the crowds thronged around Jesus, He began saying, "This generation of people is evil, [for] it is looking for a [supernatural] sign. But no [such] sign will be given to it except the sign [demonstrated in the life] of Jonah.

Luke 16:29-31

But Abraham said, 'They have [the writings of] Moses and the prophets; let them pay attention to them.'

Luke 19:41

And when Jesus got close and saw the city [of Jerusalem], He cried over it,

Luke 22:67-70

"Tell us if you are the Christ [i.e., God's specially chosen one]." But He replied, "You would not believe me if I [did] tell you [who I am].

John 11:33-38

When Jesus saw her and her Jewish friends, who had come with her, crying, He felt distressed in His spirit and [visibly] troubled [Note: This last word means to shake with emotion, and seems to have been caused by His deep sympathy for these grieving people],

John 12:37-43

But [even] though Jesus had performed so many [miraculous] signs in front of the people, still 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 when He had looked around at them with righteous indignation, being grieved over their stubbornness, He said to the man, "Reach out your hand." And when he reached it out, his hand was restored [to normal use].
Mark 7:34
and, looking up to heaven, He sighed and said, "Ephphatha," which means, "Be opened."
Mark 9:19
Jesus said to them, "You generation of faithless people How long must I be with you [i.e., before you understand]? How long do I have to be patient with you? Bring the sick boy to me."
Luke 19:41
And when Jesus got close and saw the city [of Jerusalem], He cried over it,
John 11:33
When Jesus saw her and her Jewish friends, who had come with her, crying, He felt distressed in His spirit and [visibly] troubled [Note: This last word means to shake with emotion, and seems to have been caused by His deep sympathy for these grieving people],

Why

Mark 6:6
[But] He marveled at the people's lack of faith. So, He traveled and taught throughout the [surrounding] villages.
Luke 16:29
But Abraham said, 'They have [the writings of] Moses and the prophets; let them pay attention to them.'
Luke 22:67
"Tell us if you are the Christ [i.e., God's specially chosen one]." But He replied, "You would not believe me if I [did] tell you [who I am].
John 12:37
But [even] though Jesus had performed so many [miraculous] signs in front of the people, still they did not believe in Him.

There

Matthew 12:39
But He said to them, "It is [only] an evil and unfaithful [i.e., to God] generation of people that looks for a [supernatural] sign. And there will not be any sign given to it except the [supernatural] sign [demonstrated in the life] of Jonah, the prophet.
Matthew 16:4
"It is an evil and spiritually unfaithful generation of people [that keeps on] looking for a [supernatural] sign; but there will be no [such] sign given to it except the sign of Jonah [i.e., being in the huge fish for three days]." Then He left them and went away.
Luke 11:29
And when the crowds thronged around Jesus, He began saying, "This generation of people is evil, [for] it is looking for a [supernatural] sign. But no [such] sign will be given to it except the sign [demonstrated in the life] of Jonah.

General references

Luke 11:16
Then others, trying to test Him, asked Him to perform a [supernatural] sign from heaven.