By Fr. Jerry Pokorsky, Catholic Culture - The Eighth Commandment protects our right to a good reputation under ordinary circumstances. We don’t reveal secrets, ugly or otherwise. Traditional Catholic moral manuals teach that exposing another person’s grave moral failing—even if true—without a sufficient and just reason is a mortal sin. Today biographers and journalists usually do not exercise the moral restraint required by the Commandments. They want all the dirt that’s fit—or unfit—to print.