1 John 5:17
All unrighteousness is sin; and there is a sin not to death.
1 John 3:4
Every one that works sin, works also transgression of law: and sin is transgression of law.
1 John 5:16
If any one see his brother sinning a sin not to death, he shall ask, and he will give him life for those who sin not to death. There is a sin to death: I do not say concerning this, that he should ask.
Romans 5:20-21
But, besides the first offense, law was introduced, in order that offenses might abound: but where sin abounded, grace did much more abound:
James 1:15
So, then, desire, when it has conceived, brings forth sin; and sin, when it is matured, brings 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, I write these things to you, that you may not sin: and yet, if any one sin, we have an advocate with the Father, Jesus Christ the righteous.