1 John 5:17
All unrighteousness is sin: and there is sin not unto death.
1 John 3:4
Every one doing sin does also a transgression of the law: and sin is the transgression of the law.
1 John 5:16
If any one may see his brother sinning a sin not unto death, he shall ask, and he will give him life to those sinning not unto death. There is a sin unto death; concerning this I do not say that you may ask.
Romans 5:20-21
But the law came, that the transgression might abound; but where sin did abound, there did grace superabound:
James 1:15
Then the lust, conceiving, brings forth sin; and sin, having been perfected, produces death.
James 4:7-10
Therefore draw nigh unto God; and resist the devil, and he will flee from you:
1 John 2:1
My little children, I write these things to you, in order that you may not sin. And if any one may sin, we have an Advocate with the Father, Jesus Christ the righteous: