1 John 5:17

every thing that is contrary to virtue, is a sin: but every sin is not a mortal sin:

1 John 3:4

he that is vitious, is lawless: for sin is the transgression of the law.

1 John 5:16

If any man see his brother commit a sin, which is not a mortal sin, let him pray to God, who will grant him life, for such as do not commit a mortal sin. there is a sin unto death: in which case I do not enjoin any prayer to be made.

Romans 5:20-21

the law was introduc'd, that the greatness of the fall might fully appear; but the more sin display'd its enormity, the divine favour was so much the more transcendent.

James 1:15

and the genuine offspring of sin is death.

James 4:7-10

Surrender therefore to God, resist the devil, and he will flee from you.

1 John 2:1

My dear children, these things I write unto you, that ye may avoid sin. but if any man has failed, we have an advocate with the father, Jesus Christ the just.

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
he that is vitious, is lawless: for sin is the transgression of the law.

And

1 John 5:16
If any man see his brother commit a sin, which is not a mortal sin, let him pray to God, who will grant him life, for such as do not commit a mortal sin. there is a sin unto death: in which case I do not enjoin any prayer to be made.
Romans 5:20
the law was introduc'd, that the greatness of the fall might fully appear; but the more sin display'd its enormity, the divine favour was so much the more transcendent.
James 1:15
and the genuine offspring of sin is death.
James 4:7
Surrender therefore to God, resist the devil, and he will flee from you.

General references

Jude 1:22
Make use of your discernment; some reprove: