John 3:19-20

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

Ephesians 2:1

And so God has given life to you Gentiles also, who were once dead in your trespasses and sins,

Hebrews 6:4-6

For in the case of those who have been once for all enlightened and have tasted of the heavenly gift,

Hebrews 10:26-27

For if we sin wilfully, after we have received the knowledge of the truth, there no longer remains any other sacrifice for sins,

Hebrews 10:38

But it is by faith that my Righteous One will live, And if he draws back, my soul takes no pleasure in him.

2 Peter 2:21-22

Indeed it would have been better for them not to have known the Way of Righteousness, than, after knowing it, to turn back from the holy command delivered to them.

1 John 2:19

They came forth from us, but they did not belong to us. If they had belonged to us they would certainly have remained with us, but they went out that they might be manifest that they all are not of us.

Jude 1:12

These are they who are stains upon your love-feasts; when they feast sumptuously without scruple, looking after none but themselves. They are clouds without water, driven along by the winds; trees of autumn, fruitless, doubly dead, torn up by the roots,

Treasury of Scripture Knowledge

Summary

The man that wandereth out of the way of understanding shall remain in the congregation of the dead.

Bible References

Wandereth

John 3:19
And this is the condemnation, that Light is come into the world, and men loved darkness rather than light, because their deeds were evil.
Hebrews 6:4
For in the case of those who have been once for all enlightened and have tasted of the heavenly gift,
Hebrews 10:26
For if we sin wilfully, after we have received the knowledge of the truth, there no longer remains any other sacrifice for sins,
2 Peter 2:21
Indeed it would have been better for them not to have known the Way of Righteousness, than, after knowing it, to turn back from the holy command delivered to them.
1 John 2:19
They came forth from us, but they did not belong to us. If they had belonged to us they would certainly have remained with us, but they went out that they might be manifest that they all are not of us.

Remain

Ephesians 2:1
And so God has given life to you Gentiles also, who were once dead in your trespasses and sins,
Jude 1:12
These are they who are stains upon your love-feasts; when they feast sumptuously without scruple, looking after none but themselves. They are clouds without water, driven along by the winds; trees of autumn, fruitless, doubly dead, torn up by the roots,