The class each build a sailboat and race it around the schoolhouse and learn three things Followers of Christ can learn from a rudder. The key verse is James 3:4-5: 'Or take ships as an example. Although they are so large and are driven by strong winds, they are steered by a very small rudder wherever the pilot wants to go. Likewise, the tongue is a small part of the body, but it makes great boasts.'