All unrighteousness is sin, yet there is sin that does not lead to death.
Cross References
1 John 2:1My little children, I am writing these things to you so that you will not sin. But if anyone does sin, we have an advocate before the Father--Jesus Christ, the Righteous One.
1 John 3:4Everyone who practices sin practices lawlessness as well. Indeed, sin is lawlessness.
1 John 5:16If anyone sees his brother committing a sin not leading to death, he should ask God, who will give life to those who commit this kind of sin. There is a sin that leads to death; I am not saying he should ask regarding that sin.
Treasury of Scripture
All unrighteousness is sin: and there is a sin not to death.
all.
1 John 3:4
Whosoever 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
What thing soever I command you, observe to do it: thou shalt not add thereto, nor diminish from it.
and.
1 John 5:16
If any man see his brother sin a sin which is not unto death, he shall ask, and he shall give him life for them that sin not unto death. There is a sin unto 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 be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool.
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…