John 8:21

Jesus again spoke to the people. "I am going away," he said, "and you will look for me, but you will die in your sin; you cannot come where I am going."

John 8:24

And so I told you that you would die in your sins, for, unless you believe that I am what I am, you will die in your sins."

Luke 11:50-51

Some of whom they will persecute and kill, in order that the 'blood' of all the prophets 'that has been spilt' since the creation of the world may be exacted from this generation--

Luke 13:3

No, I tell you; but, unless you repent, you will all perish as they did.

Luke 13:5

No, I tell you; but, unless you repent, you will all perish in the same manner."

Acts 2:40

With many other words Peter enforced his teaching, while the burden of his exhortations was--"Save yourselves from the perverse spirit of this age."

Acts 3:19

Therefore, repent and turn, that your sins may be wiped away; so that happier times may come from the Lord himself,

Acts 20:26-27

Therefore I declare to you this day, that my conscience is clear in regard to the fate of any of you,

Ephesians 5:5-6

For of this you may be sure--that no one who is unchaste or impure or greedy of gain (for to be greedy of gain is idolatry) has any place awaiting him in the kingdom of the Christ and God.

1 Timothy 4:16

Look to yourself as well as to your teaching. Persevere in this, for your doing so will mean Salvation for yourself as well as for your hearers.

1 Timothy 5:22

Never ordain any one hastily, and take no part in the wrong-doing of others. Keep your life pure.

James 5:19-20

My Brothers, should one of you be led astray from the Truth, and some one bring him back again,

Treasury of Scripture Knowledge

Summary

When I say unto the wicked, Thou shalt surely die; and thou givest him not warning, nor speakest to warn the wicked from his wicked way, to save his life; the same wicked man shall die in his iniquity; but his blood will I require at thine hand.

The same

Bible References

I say

Luke 13:3
No, I tell you; but, unless you repent, you will all perish as they did.
Ephesians 5:5
For of this you may be sure--that no one who is unchaste or impure or greedy of gain (for to be greedy of gain is idolatry) has any place awaiting him in the kingdom of the Christ and God.

To save

Acts 2:40
With many other words Peter enforced his teaching, while the burden of his exhortations was--"Save yourselves from the perverse spirit of this age."
Acts 3:19
Therefore, repent and turn, that your sins may be wiped away; so that happier times may come from the Lord himself,
1 Timothy 4:16
Look to yourself as well as to your teaching. Persevere in this, for your doing so will mean Salvation for yourself as well as for your hearers.
James 5:19
My Brothers, should one of you be led astray from the Truth, and some one bring him back again,

The same

John 8:21
Jesus again spoke to the people. "I am going away," he said, "and you will look for me, but you will die in your sin; you cannot come where I am going."

But

Luke 11:50
Some of whom they will persecute and kill, in order that the 'blood' of all the prophets 'that has been spilt' since the creation of the world may be exacted from this generation--
Acts 20:26
Therefore I declare to you this day, that my conscience is clear in regard to the fate of any of you,
1 Timothy 5:22
Never ordain any one hastily, and take no part in the wrong-doing of others. Keep your life pure.