1 John 5:17

There is a sin unto death: I do not say that he shall pray for that. All unrighteousness is sin: but there is a sin not unto death.

1 John 3:4

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

1 John 5:16

If any one see his brother sin a sin which is not unto death, let him ask, and he will give him life for them that sin not unto death.

Romans 5:20-21

But the law came in between, that the offence might abound: yet where sin abounded, grace did much more abound:

James 1:15

Then desire having conceived, bringeth forth sin; and sin being perfected, 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 beloved children, I write these things to you, that ye may not sin. But if any one sin, we have an advocate with the Father, Jesus Christ, the righteous, And he is the propitiation for our sins;

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

And

1 John 5:16
If any one see his brother sin a sin which is not unto death, let him ask, and he will give him life for them that sin not unto death.
Romans 5:20
But the law came in between, that the offence might abound: yet where sin abounded, grace did much more abound:
James 1:15
Then desire having conceived, bringeth forth sin; and sin being perfected, 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 some, that are wavering, convince; Some save, snatching them out of the fire;