What does the Bible say about sins being forgiven?

The Bible promises that every believer's sins are forgiven for His name's sake, as stated in 1 John 2:12. This forgiveness is complete, including past, present, and future sins, a point underscored by the perfect passive tense of the verb that denotes forgiveness as a completed action. Believers have their sins blotted out and canceled out completely, which signifies that this forgiveness is not conditioned on their actions or confessions but is granted solely by God's grace through Christ's sacrifice. Just as Nathan told David, 'The Lord hath put away thy sin,' so too are all believers assured of their complete forgiveness, giving them peace and joy.