Bible Verses About Forgiveness for sins prayer

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

I acknowledged my sin unto thee, and mine iniquity have I not hid. I said, I will confess my transgressions unto the Lord; and thou forgavest the iniquity of my sin. Selah.KJV

O Lord, hear; O Lord, forgive; O Lord, hearken and do; defer not, for thine own sake, O my God: for thy city and thy people are called by thy name.KJV

Repent therefore of this thy wickedness, and pray God, if perhaps the thought of thine heart may be forgiven thee.KJV

He that covereth his sins shall not prosper: but whoso confesseth and forsaketh them shall have mercy.KJV