Mark 16:16

The person who believes [i.e., the Gospel] and is immersed will be saved [i.e., from condemnation], but whoever does not believe it will be condemned.

Acts 13:39-41

and [it is] by Him that every believer is made right with God in every way that he could not have been made right by [observing the requirements of] the law of Moses.

Romans 2:4-5

Or, do you despise the abundance of God's kindness and tolerance and patience [toward you], not realizing that His kindness is intended to cause you to repent? [i.e., to change your hearts and lives].

2 Peter 3:14

So, my dearly loved ones, while you are waiting for these things [to happen], do your best to be found at peace with God, pure and blameless in His sight.

Revelation 22:11

The person who is doing wrong should continue to do wrong [if he wants to]; and the person who is [morally] filthy should continue to be [morally] filthy [if he wants to]; and the person who does what is right should continue to do right [if he wants to]; and the person who is living a holy life should continue to live holy [if he wants to]."

Treasury of Scripture Knowledge

Summary

But the man that shall be unclean, and shall not purify himself, that soul shall be cut off from among the congregation, because he hath defiled the sanctuary of the LORD: the water of separation hath not been sprinkled upon him; he is unclean.

Bible References

Shall not

Mark 16:16
The person who believes [i.e., the Gospel] and is immersed will be saved [i.e., from condemnation], but whoever does not believe it will be condemned.
Acts 13:39
and [it is] by Him that every believer is made right with God in every way that he could not have been made right by [observing the requirements of] the law of Moses.
Romans 2:4
Or, do you despise the abundance of God's kindness and tolerance and patience [toward you], not realizing that His kindness is intended to cause you to repent? [i.e., to change your hearts and lives].
2 Peter 3:14
So, my dearly loved ones, while you are waiting for these things [to happen], do your best to be found at peace with God, pure and blameless in His sight.
Revelation 22:11
The person who is doing wrong should continue to do wrong [if he wants to]; and the person who is [morally] filthy should continue to be [morally] filthy [if he wants to]; and the person who does what is right should continue to do right [if he wants to]; and the person who is living a holy life should continue to live holy [if he wants to]."