http://www.churchleadership.org/apps/articles/default.asp?blogid=4541&view=post&articleid=44055&link=1&fldKeywords=&fldAuthor=&fldTopic=0
This is the cornerstone of protestant theology that Christ through His work gave us a 'pardon'. And the rallying cry of the Reformation. The main point that caused Luther and Calvin to challenge the Catholic Church and it's teachings.
