Then was our mouth filled with laughter, and our tongue with singing: then said they among the heathen, the Lord hath done great things for them. Psalm 126:2 The study of human behaviors is a large and fascinating enterprise, drawing research from every religious and secular worldview known to man. Laughter is perhaps one of the most commonly relatable human behaviors. Most babies laugh by four months of age, and a visit to any schoolyard during recess sometimes makes one think that children communicate through laughter alone. The entertainment industry reaps huge profits by churning out every sort of comedy...