Bible Verses About Pardon: To those who confess their sins

Then David said to Nathan, “I have sinned against the LORD.” “The LORD has taken away your sin,” Nathan replied. “You will not die.

Then I acknowledged my sin to You and did not hide my iniquity. I said, “I will confess my transgressions to the LORD,” and You forgave the guilt of my sin. Selah

If we confess our sins, He is faithful and just to forgive us our sins and to cleanse us from all unrighteousness.