Righteousness exalts a nation, but sin is a disgrace to any people, says the wisest man who ever lived (Proverbs 14:34). Sin—both in the lives of governmental leaders and citizens—is, according to the Bible, the greatest weakness in any nation. Ultimately, to the degree sin is curtailed, a culture prospers; conversely, sin can overthrow the whole system when it proliferates.  As the book of Proverbs records Solomon’s instruction to his son Rehoboam on governmental leadership, it makes sense for contemporary government leaders to study what Solomon teaches about sin; what follows is a topical study from the book of Proverbs on sin.