1 John 5:17

Every unrighteousness is sin; and there is a sin not to death.

1 John 3:4

Every one that practises sin practises also lawlessness; and sin is lawlessness.

1 John 5:16

If any one see his brother sinning a sin not unto death, he shall ask, and he shall give him life, for those that do not sin unto death. There is a sin to death: I do not say of that that he should make a request.

Isaiah 1:18

Come now, let us reason together, saith Jehovah: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool.

Deuteronomy 5:32

Take heed then to do as Jehovah your God hath commanded you: turn not aside to the right hand or to the left.

Deuteronomy 12:32

Everything that I command you, ye shall take heed to do it; thou shalt not add thereto, nor take from it.

Ezekiel 18:26-32

When the righteous turneth away from his righteousness, and practiseth what is wrong, and dieth for it; in his wrong that he hath done shall he die.

Romans 5:20-21

But law came in, in order that the offence might abound; but where sin abounded grace has overabounded,

James 1:15

then lust, having conceived, gives birth to sin; but sin fully completed brings forth death.

James 4:7-10

Subject yourselves therefore to God. Resist the devil, and he will flee from you.

1 John 2:1

My children, these things I write to you in order that ye may not sin; and if any one sin, we have a patron with the Father, Jesus Christ the righteous;

Treasury of Scripture Knowledge

Summary

All unrighteousness is sin: and there is a sin not unto death.

General references

Bible References

All

1 John 3:4
Every one that practises sin practises also lawlessness; and sin is lawlessness.
Deuteronomy 5:32
Take heed then to do as Jehovah your God hath commanded you: turn not aside to the right hand or to the left.
Deuteronomy 12:32
Everything that I command you, ye shall take heed to do it; thou shalt not add thereto, nor take from it.

And

1 John 5:16
If any one see his brother sinning a sin not unto death, he shall ask, and he shall give him life, for those that do not sin unto death. There is a sin to death: I do not say of that that he should make a request.
Isaiah 1:18
Come now, let us reason together, saith Jehovah: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool.
Ezekiel 18:26
When the righteous turneth away from his righteousness, and practiseth what is wrong, and dieth for it; in his wrong that he hath done shall he die.
Romans 5:20
But law came in, in order that the offence might abound; but where sin abounded grace has overabounded,
James 1:15
then lust, having conceived, gives birth to sin; but sin fully completed brings forth death.
James 4:7
Subject yourselves therefore to God. Resist the devil, and he will flee from you.

General references

Jude 1:22
And of some have compassion, making a difference,