Hebrews 10:39

But we are not of those who draw back to destruction; but of those who believe to the saving of the soul.

Mark 16:16

He that believes and is immersed shall be saved; but he that disbelieves shall be condemned.

Luke 11:26

Then it goes and takes with it seven other spirits more wicked than itself; and, entering in, they make their abode there; and the last state of that man is worse than the first."

John 3:15-16

that every one who believes in Him may have eternal life.

John 5:24

"Verily, verily, I say to you, He that hears My word, and believes Him Who sent Me, has eternal life, and comes not into judgment, but has passed out of death into life.

John 6:40

For this is the will of My Father, that every one who beholds the Son, and believes on Him, should have eternal life; and I will raise him up at the last day."

John 17:12

While I was with them, I was keeping, in Thy name, those Whom Thou hast given Me; and I guarded them, and no one of them perished, except the son of perdition, that the Scripture might be fulfilled.

John 20:31

but these have been written, that ye may believe that Jesus is the Christ, the Son of God; and that, believing, ye may have life in His name.

Acts 16:30-31

and, having brought them out, he said, "Sirs, what must I do to be saved?"

Romans 10:9-10

that if you shall confess with your mouth Jesus as Lord, and shall believe in your heart that God raised Him from the dead, you shall be saved;

1 Thessalonians 5:9

because God did not appoint us to wrath, but to the obtaining of salvation through our Lord Jesus Christ,

2 Thessalonians 2:3

Let no one deceive you in any manner; because that day will not come, unless the falling away come first, and the man of lawlessness be revealed??he son of perdition;

2 Thessalonians 2:12-14

that they all may be judged, who believe not the truth, but had pleasure in unrighteousness.

1 Timothy 6:9

But those, purposing to be rich, fall into temptation, and a snare, and many foolish and hurtful desires, which, indeed, sink men into destruction and perdition.

Hebrews 6:6-9

and then fell away, it is impossible to renew them again to repentance, since they are crucifying to themselves the Son of God afresh, and putting Him to open shame.

Hebrews 10:26

For, if we sin wilfully after we received the full knowledge of the truth, there no longer remains a sacrifice for sins,

Hebrews 11:1

Now faith is an assurance of things hoped for, a sure persuasion of things not seen;

1 Peter 1:5

who are being guarded by God's power, through faith unto a salvation ready to be revealed in the last time;

2 Peter 3:7

but the present heavens and the earth, by the same word, have been stored up for fire, being kept unto the day of judgment and perdition of ungodly men.

1 John 5:5

And who is he that overcomes the world, but he that believes that Jesus is the Son of God?

1 John 5:16

If anyone sees his brother sinning a sin not to death, he shall ask, and God will give him life for those that sin not to death. There is a sin to death: I do not say that he shall make request concerning this.

Jude 1:12-13

These are the hidden rocks in your love-feasts, feasting sumptuously together, feeding themselves without fear; clouds without water, borne along by winds; autumnal trees, without fruit, twice dead, plucked up by the roots;

Revelation 17:8

The beast which you saw was, and is not, and is about to come up out of the abyss, and to go into perdition. And those who dwell on the earth shall wonder, whose names have not been written in the book of life from the founding of the world, when they behold the beast, that he was, and is not, and shall come.

Revelation 17:11

And the beast that was, and is not, even he is an eighth, and is of the seven, and goes into perdition.

Treasury of Scripture Knowledge

Summary

But we are not of them who draw back unto perdition; but of them that believe to the saving of the soul.

General references

Bible References

We are

Hebrews 6:6
and then fell away, it is impossible to renew them again to repentance, since they are crucifying to themselves the Son of God afresh, and putting Him to open shame.
Luke 11:26
Then it goes and takes with it seven other spirits more wicked than itself; and, entering in, they make their abode there; and the last state of that man is worse than the first."
1 John 5:16
If anyone sees his brother sinning a sin not to death, he shall ask, and God will give him life for those that sin not to death. There is a sin to death: I do not say that he shall make request concerning this.
Jude 1:12
These are the hidden rocks in your love-feasts, feasting sumptuously together, feeding themselves without fear; clouds without water, borne along by winds; autumnal trees, without fruit, twice dead, plucked up by the roots;

Unto

Hebrews 10:26
For, if we sin wilfully after we received the full knowledge of the truth, there no longer remains a sacrifice for sins,
John 17:12
While I was with them, I was keeping, in Thy name, those Whom Thou hast given Me; and I guarded them, and no one of them perished, except the son of perdition, that the Scripture might be fulfilled.
2 Thessalonians 2:3
Let no one deceive you in any manner; because that day will not come, unless the falling away come first, and the man of lawlessness be revealed??he son of perdition;
1 Timothy 6:9
But those, purposing to be rich, fall into temptation, and a snare, and many foolish and hurtful desires, which, indeed, sink men into destruction and perdition.
2 Peter 3:7
but the present heavens and the earth, by the same word, have been stored up for fire, being kept unto the day of judgment and perdition of ungodly men.
Revelation 17:8
The beast which you saw was, and is not, and is about to come up out of the abyss, and to go into perdition. And those who dwell on the earth shall wonder, whose names have not been written in the book of life from the founding of the world, when they behold the beast, that he was, and is not, and shall come.

General references

Matthew 24:13
But he that endures to the end, the same shall be saved.
Luke 17:32
Remember Lot's wife.