1 John 5:17

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

1 John 3:4

Whoever committeth sin transgresseth also the law; for sin is the transgression of the law.

1 John 5:16

If any man shall see his brother sin a sin which is not to death, he shall ask, and he will give him life for them that sin not to death. There is a sin to death: I do not say that he shall pray for it.

Isaiah 1:18

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

Deuteronomy 5:32

Ye shall observe to do therefore as the LORD your God hath commanded you: ye shall not turn aside to the right hand or to the left.

Deuteronomy 12:32

Whatever thing I command you, observe to do it: thou shalt not add to it, nor diminish from it.

Ezekiel 18:26-32

When a righteous man turneth away from his righteousness, and committeth iniquity, and dieth in them; for his iniquity that he hath done shall he die.

Romans 5:20-21

Moreover the law entered, that the offense might abound. But where sin abounded, grace did much more abound:

James 1:15

Then when lust hath conceived, it bringeth forth sin: and sin, when it is finished, bringeth forth death.

James 4:7-10

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

1 John 2:1

My little children, these things I write to you, that ye sin not. And if any man sinneth, we have an advocate 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
Whoever committeth sin transgresseth also the law; for sin is the transgression of the law.
Deuteronomy 5:32
Ye shall observe to do therefore as the LORD your God hath commanded you: ye shall not turn aside to the right hand or to the left.
Deuteronomy 12:32
Whatever thing I command you, observe to do it: thou shalt not add to it, nor diminish from it.

And

1 John 5:16
If any man shall see his brother sin a sin which is not to death, he shall ask, and he will give him life for them that sin not to death. There is a sin to death: I do not say that he shall pray for it.
Isaiah 1:18
Come now, and let us reason together, saith the LORD: though your sins are as scarlet, they shall be white as snow, though they are red like crimson, they shall be as wool.
Ezekiel 18:26
When a righteous man turneth away from his righteousness, and committeth iniquity, and dieth in them; for his iniquity that he hath done shall he die.
Romans 5:20
Moreover the law entered, that the offense might abound. But where sin abounded, grace did much more abound:
James 1:15
Then when lust hath conceived, it bringeth forth sin: and sin, when it is finished, bringeth forth death.
James 4:7
Submit 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: