Matthew 12:31
Therefore, I say to you, every sin and blasphemy will be forgiven to men, but the blasphemy against the Holy Spirit shall not be forgiven.
1 Corinthians 6:9-11
Or know ye not that the unrighteous shall not inherit the Kingdom of God? Be not deceived: neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor abusers of themselves with men,
1 John 1:7
but, if we walk in the light, as He is in the light, we have fellowship with One another, and the blood of Jesus His Son cleanses us from all sin.
1 John 1:9
If we confess our sins, He is faithful and righteous to forgive us our sins, and to cleanse us from all unrighteousness.
1 John 2:1-2
My little children, these things I write to you, that ye may not sin. And, if any one sin, we have an Advocate with the Father, Jesus Christ, the Righteous.