Matthew 7:2

For with the same judgment you judge others, you will be judged, and with the measure you use, it will be measured to you.

Matthew 27:3-4

When Judas, his betrayer, saw that he was condemned, he repented and brought back the thirty pieces of silver to the chief priests and the elders,

Mark 9:43-45

If your hand causes you to sin, cut it off. It is better for you to enter life maimed than with two hands to go into hell, to the fire that shall never be quenched.

Mark 9:48

where 'their worm does not die, and the fire is not quenched.'

Luke 16:28

for I have five brothers, so that he may warn them, lest they also come to this place of torment.'

Acts 19:18

Many also of those who believed now came, confessing and disclosing their practices.

James 2:13

For judgment will be without mercy to one who has shown no mercy; mercy triumphs over judgment.

1 John 1:9

If we confess our sins, he is faithful and just, and will forgive us our sins and cleanse us from all unrighteousness.

Treasury of Scripture Knowledge

Summary

And they said one to another, We are verily guilty concerning our brother, in that we saw the anguish of his soul, when he besought us, and we would not hear; therefore is this distress come upon us.

Bible References

They said

Matthew 27:3
When Judas, his betrayer, saw that he was condemned, he repented and brought back the thirty pieces of silver to the chief priests and the elders,
Mark 9:44
(...)
Luke 16:28
for I have five brothers, so that he may warn them, lest they also come to this place of torment.'
Acts 19:18
Many also of those who believed now came, confessing and disclosing their practices.

We saw

Matthew 7:2
For with the same judgment you judge others, you will be judged, and with the measure you use, it will be measured to you.
1 John 1:9
If we confess our sins, he is faithful and just, and will forgive us our sins and cleanse us from all unrighteousness.
James 2:13
For judgment will be without mercy to one who has shown no mercy; mercy triumphs over judgment.