Napoleon’s defeat in Russia 200 years ago was attributed to the harsh Russian winter. One specific problem was that his horses were wearing summer horseshoes. When winter came, these horses died because they slipped on icy roads as they pulled the supply wagons. The failure of Napoleon’s supply chain reduced his 400,000-strong army to just 10,000. A small slip; a disastrous result!

James described how a slip of the tongue can do great damage. One wrong word can change the careers or destinies of people. So toxic is the tongue that James wrote, “No human being can tame the tongue. It…