2 Thessalonians 2:12

that all may be condemned who believe not the truth, but have pleasure in unrighteousness.

Romans 1:32

who, acknowledging the judgment of God, that those who practice such things are worthy of death, not only do them, but approve those who practice them.

Romans 2:8

but to those who are contentious, and obey not the truth, but obey unrighteousness, anger and wrath,

Mark 14:11

And when they heard it, they were glad, and promised to give him money. And he sought how he might conveniently deliver him up.

Mark 16:16

He that believes and is immersed, shall be saved; he that believes not, shall be condemned.

John 3:19-21

And this is the condemnation, that light has come into the world, and men have loved darkness rather than light, because their deeds were evil.

John 3:36

He that believes on the Son has eternal life. But he that believes not the Son, shall not see life, but the wrath of God remains on him.

Romans 8:7-8

Because the mind of the flesh is enmity against God; for it is not subject to the law of God, nor indeed can it be.

Romans 12:9

Let love be without hypocrisy. Abhor that which is evil; cleave to that which is good;

1 Thessalonians 5:9

for God has not appointed us to wrath, but to the obtaining of salvation through our Lord Jesus Christ,

2 Peter 2:3

and, with delusive words, they will, through covetousness, make gain of you: the condemnation, long ago denounced against these, delays not, and their destruction does not slumber.

2 Peter 2:13-15

and receive the reward of unrighteousness. Counting it a pleasure to riot in the day-time, they are spots and stains, rioting in their delusions, while feasting with you;

3 John 1:11

Beloved, do not imitate that which is evil, but that which is good. He that does good is of God: he that does evil has not seen God.

Jude 1:4-5

For some men have stealthily entered in, who were long ago appointed to this condemnation; ungodly men, who pervert the grace of our God, and use it for lascivious purposes, and deny our only Sovereign and Lord, Jesus Christ.

Treasury of Scripture Knowledge

Summary

That they all might be damned who believed not the truth, but had pleasure in unrighteousness.

General references

Bible References

They

Mark 16:16
He that believes and is immersed, shall be saved; he that believes not, shall be condemned.
John 3:36
He that believes on the Son has eternal life. But he that believes not the Son, shall not see life, but the wrath of God remains on him.
1 Thessalonians 5:9
for God has not appointed us to wrath, but to the obtaining of salvation through our Lord Jesus Christ,
2 Peter 2:3
and, with delusive words, they will, through covetousness, make gain of you: the condemnation, long ago denounced against these, delays not, and their destruction does not slumber.
Jude 1:4
For some men have stealthily entered in, who were long ago appointed to this condemnation; ungodly men, who pervert the grace of our God, and use it for lascivious purposes, and deny our only Sovereign and Lord, Jesus Christ.

General references

Hebrews 3:19
And so we see that they could not enter in because of unbelief.