1 John 5:17

All unrighteousness is sin, and [there] is a sin not [leading] to death.)

1 John 3:4

Everyone who practices sin also practices lawlessness, and sin is lawlessness.

1 John 5:16

If anyone should see his brother sinning a sin not [leading] to death, he should ask, and he will grant life to him, to those who sin not [leading] to death. ([There] is a sin [leading] to death; I do not say that he should ask about that.

Isaiah 1:18

"Come now, and let us argue," says Yahweh. "Even though your sins are like scarlet, they will be white like snow; even though they are red like crimson, they shall become like wool.

Deuteronomy 5:32

"[So] you must be careful to do [just] as Yahweh your God commanded you; you shall not turn [to the] right or [to the] left.

Deuteronomy 12:32

All of the things that I [am] commanding you, {you must diligently observe}; you shall not add to it, and you shall not take away from it."

Ezekiel 18:26-32

When the righteous turns from his righteousness, and he does injustice, then he will die because of them; because of his injustice that he did he will die!

Romans 5:20-21

Now the law came in as a side issue, in order that the trespass could increase, but where sin increased, grace was present in greater abundance,

James 1:15

Then desire, [after it] has conceived, gives birth to sin, and sin, [when it] is brought to completion, gives birth to death.

James 4:7-10

Therefore subject yourselves to God. But resist the devil, and he will flee from you.

1 John 2:1

My little children, I am writing these [things] to you in order that you may not sin. And if anyone sins, we have an advocate with the Father, Jesus Christ the righteous [one],

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
Everyone who practices sin also practices lawlessness, and sin is lawlessness.
Deuteronomy 5:32
"[So] you must be careful to do [just] as Yahweh your God commanded you; you shall not turn [to the] right or [to the] left.
Deuteronomy 12:32
All of the things that I [am] commanding you, {you must diligently observe}; you shall not add to it, and you shall not take away from it."

And

1 John 5:16
If anyone should see his brother sinning a sin not [leading] to death, he should ask, and he will grant life to him, to those who sin not [leading] to death. ([There] is a sin [leading] to death; I do not say that he should ask about that.
Isaiah 1:18
"Come now, and let us argue," says Yahweh. "Even though your sins are like scarlet, they will be white like snow; even though they are red like crimson, they shall become like wool.
Ezekiel 18:26
When the righteous turns from his righteousness, and he does injustice, then he will die because of them; because of his injustice that he did he will die!
Romans 5:20
Now the law came in as a side issue, in order that the trespass could increase, but where sin increased, grace was present in greater abundance,
James 1:15
Then desire, [after it] has conceived, gives birth to sin, and sin, [when it] is brought to completion, gives birth to death.
James 4:7
Therefore subject yourselves to God. But resist the devil, and he will flee from you.

General references

Jude 1:22
And have mercy on those who doubt,